Precalculus Examples

$x + 2 y + z - w = - 2$ , $2 x + y + z + w = 1$ , $x - y - 3 z = 0$ , $z + w = 1$

Step 1

Move all terms not containing $x$ to the right side of the equation.

Tap for more steps...

Step 1.1

Subtract $2 y$ from both sides of the equation.

$x + z - w = - 2 - 2 y$

$2 x + y + z + w = 1$

$x - y - 3 z = 0$

$z + w = 1$

Step 1.2

Subtract $z$ from both sides of the equation.

$x - w = - 2 - 2 y - z$

$2 x + y + z + w = 1$

$x - y - 3 z = 0$

$z + w = 1$

Step 1.3

Add $w$ to both sides of the equation.

$x = - 2 - 2 y - z + w$

$2 x + y + z + w = 1$

$x - y - 3 z = 0$

$z + w = 1$

$x = - 2 - 2 y - z + w$

$2 x + y + z + w = 1$

$x - y - 3 z = 0$

$z + w = 1$

Step 2

Replace all occurrences of $x$ with $- 2 - 2 y - z + w$ in each equation.

Tap for more steps...

Step 2.1

Replace all occurrences of $x$ in $2 x + y + z + w = 1$ with $- 2 - 2 y - z + w$ .

$2 (- 2 - 2 y - z + w) + y + z + w = 1$

$x = - 2 - 2 y - z + w$

$x - y - 3 z = 0$

$z + w = 1$

Step 2.2

Simplify the left side.

Tap for more steps...

Step 2.2.1

Simplify $2 (- 2 - 2 y - z + w) + y + z + w$ .

Tap for more steps...

Step 2.2.1.1

Simplify each term.

Tap for more steps...

Step 2.2.1.1.1

Apply the distributive property.

$2 \cdot - 2 + 2 (- 2 y) + 2 (- z) + 2 w + y + z + w = 1$

$x = - 2 - 2 y - z + w$

$x - y - 3 z = 0$

$z + w = 1$

Step 2.2.1.1.2

Simplify.

Tap for more steps...

Step 2.2.1.1.2.1

Multiply $2$ by $- 2$ .

$- 4 + 2 (- 2 y) + 2 (- z) + 2 w + y + z + w = 1$

$x = - 2 - 2 y - z + w$

$x - y - 3 z = 0$

$z + w = 1$

Step 2.2.1.1.2.2

Multiply $- 2$ by $2$ .

$- 4 - 4 y + 2 (- z) + 2 w + y + z + w = 1$

$x = - 2 - 2 y - z + w$

$x - y - 3 z = 0$

$z + w = 1$

Step 2.2.1.1.2.3

Multiply $- 1$ by $2$ .

$- 4 - 4 y - 2 z + 2 w + y + z + w = 1$

$x = - 2 - 2 y - z + w$

$x - y - 3 z = 0$

$z + w = 1$

$- 4 - 4 y - 2 z + 2 w + y + z + w = 1$

$x = - 2 - 2 y - z + w$

$x - y - 3 z = 0$

$z + w = 1$

$- 4 - 4 y - 2 z + 2 w + y + z + w = 1$

$x = - 2 - 2 y - z + w$

$x - y - 3 z = 0$

$z + w = 1$

Step 2.2.1.2

Simplify by adding terms.

Tap for more steps...

Step 2.2.1.2.1

Add $- 4 y$ and $y$ .

$- 4 - 3 y - 2 z + 2 w + z + w = 1$

$x = - 2 - 2 y - z + w$

$x - y - 3 z = 0$

$z + w = 1$

Step 2.2.1.2.2

Add $- 2 z$ and $z$ .

$- 4 - 3 y + 2 w - z + w = 1$

$x = - 2 - 2 y - z + w$

$x - y - 3 z = 0$

$z + w = 1$

Step 2.2.1.2.3

Add $2 w$ and $w$ .

$- 4 - 3 y + 3 w - z = 1$

$x = - 2 - 2 y - z + w$

$x - y - 3 z = 0$

$z + w = 1$

$- 4 - 3 y + 3 w - z = 1$

$x = - 2 - 2 y - z + w$

$x - y - 3 z = 0$

$z + w = 1$

$- 4 - 3 y + 3 w - z = 1$

$x = - 2 - 2 y - z + w$

$x - y - 3 z = 0$

$z + w = 1$

$- 4 - 3 y + 3 w - z = 1$

$x = - 2 - 2 y - z + w$

$x - y - 3 z = 0$

$z + w = 1$

Step 2.3

Replace all occurrences of $x$ in $x - y - 3 z = 0$ with $- 2 - 2 y - z + w$ .

$(- 2 - 2 y - z + w) - y - 3 z = 0$

$- 4 - 3 y + 3 w - z = 1$

$x = - 2 - 2 y - z + w$

$z + w = 1$

Step 2.4

Simplify the left side.

Tap for more steps...

Step 2.4.1

Simplify $(- 2 - 2 y - z + w) - y - 3 z$ .

Tap for more steps...

Step 2.4.1.1

Subtract $y$ from $- 2 y$ .

$- 2 - 3 y - z + w - 3 z = 0$

$- 4 - 3 y + 3 w - z = 1$

$x = - 2 - 2 y - z + w$

$z + w = 1$

Step 2.4.1.2

Subtract $3 z$ from $- z$ .

$- 2 - 3 y + w - 4 z = 0$

$- 4 - 3 y + 3 w - z = 1$

$x = - 2 - 2 y - z + w$

$z + w = 1$

$- 2 - 3 y + w - 4 z = 0$

$- 4 - 3 y + 3 w - z = 1$

$x = - 2 - 2 y - z + w$

$z + w = 1$

$- 2 - 3 y + w - 4 z = 0$

$- 4 - 3 y + 3 w - z = 1$

$x = - 2 - 2 y - z + w$

$z + w = 1$

$- 2 - 3 y + w - 4 z = 0$

$- 4 - 3 y + 3 w - z = 1$

$x = - 2 - 2 y - z + w$

$z + w = 1$

Step 3

Move all terms not containing $w$ to the right side of the equation.

Tap for more steps...

Step 3.1

Add $2$ to both sides of the equation.

$- 3 y + w - 4 z = 2$

$- 4 - 3 y + 3 w - z = 1$

$x = - 2 - 2 y - z + w$

$z + w = 1$

Step 3.2

Add $3 y$ to both sides of the equation.

$w - 4 z = 2 + 3 y$

$- 4 - 3 y + 3 w - z = 1$

$x = - 2 - 2 y - z + w$

$z + w = 1$

Step 3.3

Add $4 z$ to both sides of the equation.

$w = 2 + 3 y + 4 z$

$- 4 - 3 y + 3 w - z = 1$

$x = - 2 - 2 y - z + w$

$z + w = 1$

$w = 2 + 3 y + 4 z$

$- 4 - 3 y + 3 w - z = 1$

$x = - 2 - 2 y - z + w$

$z + w = 1$

Step 4

Replace all occurrences of $w$ with $2 + 3 y + 4 z$ in each equation.

Tap for more steps...

Step 4.1

Replace all occurrences of $w$ in $- 4 - 3 y + 3 w - z = 1$ with $2 + 3 y + 4 z$ .

$- 4 - 3 y + 3 (2 + 3 y + 4 z) - z = 1$

$w = 2 + 3 y + 4 z$

$x = - 2 - 2 y - z + w$

$z + w = 1$

Step 4.2

Simplify the left side.

Tap for more steps...

Step 4.2.1

Simplify $- 4 - 3 y + 3 (2 + 3 y + 4 z) - z$ .

Tap for more steps...

Step 4.2.1.1

Simplify each term.

Tap for more steps...

Step 4.2.1.1.1

Apply the distributive property.

$- 4 - 3 y + 3 \cdot 2 + 3 (3 y) + 3 (4 z) - z = 1$

$w = 2 + 3 y + 4 z$

$x = - 2 - 2 y - z + w$

$z + w = 1$

Step 4.2.1.1.2

Simplify.

Tap for more steps...

Step 4.2.1.1.2.1

Multiply $3$ by $2$ .

$- 4 - 3 y + 6 + 3 (3 y) + 3 (4 z) - z = 1$

$w = 2 + 3 y + 4 z$

$x = - 2 - 2 y - z + w$

$z + w = 1$

Step 4.2.1.1.2.2

Multiply $3$ by $3$ .

$- 4 - 3 y + 6 + 9 y + 3 (4 z) - z = 1$

$w = 2 + 3 y + 4 z$

$x = - 2 - 2 y - z + w$

$z + w = 1$

Step 4.2.1.1.2.3

Multiply $4$ by $3$ .

$- 4 - 3 y + 6 + 9 y + 12 z - z = 1$

$w = 2 + 3 y + 4 z$

$x = - 2 - 2 y - z + w$

$z + w = 1$

$- 4 - 3 y + 6 + 9 y + 12 z - z = 1$

$w = 2 + 3 y + 4 z$

$x = - 2 - 2 y - z + w$

$z + w = 1$

$- 4 - 3 y + 6 + 9 y + 12 z - z = 1$

$w = 2 + 3 y + 4 z$

$x = - 2 - 2 y - z + w$

$z + w = 1$

Step 4.2.1.2

Simplify by adding terms.

Tap for more steps...

Step 4.2.1.2.1

Add $- 4$ and $6$ .

$- 3 y + 2 + 9 y + 12 z - z = 1$

$w = 2 + 3 y + 4 z$

$x = - 2 - 2 y - z + w$

$z + w = 1$

Step 4.2.1.2.2

Add $- 3 y$ and $9 y$ .

$6 y + 2 + 12 z - z = 1$

$w = 2 + 3 y + 4 z$

$x = - 2 - 2 y - z + w$

$z + w = 1$

Step 4.2.1.2.3

Subtract $z$ from $12 z$ .

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$x = - 2 - 2 y - z + w$

$z + w = 1$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$x = - 2 - 2 y - z + w$

$z + w = 1$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$x = - 2 - 2 y - z + w$

$z + w = 1$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$x = - 2 - 2 y - z + w$

$z + w = 1$

Step 4.3

Replace all occurrences of $w$ in $x = - 2 - 2 y - z + w$ with $2 + 3 y + 4 z$ .

$x = - 2 - 2 y - z + 2 + 3 y + 4 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$z + w = 1$

Step 4.4

Simplify $x = - 2 - 2 y - z + 2 + 3 y + 4 z$ .

Tap for more steps...

Step 4.4.1

Simplify the left side.

Tap for more steps...

Step 4.4.1.1

Remove parentheses.

$x = - 2 - 2 y - z + 2 + 3 y + 4 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$z + w = 1$

$x = - 2 - 2 y - z + 2 + 3 y + 4 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$z + w = 1$

Step 4.4.2

Simplify the right side.

Tap for more steps...

Step 4.4.2.1

Simplify $- 2 - 2 y - z + 2 + 3 y + 4 z$ .

Tap for more steps...

Step 4.4.2.1.1

Combine the opposite terms in $- 2 - 2 y - z + 2 + 3 y + 4 z$ .

Tap for more steps...

Step 4.4.2.1.1.1

Add $- 2$ and $2$ .

$x = - 2 y - z + 0 + 3 y + 4 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$z + w = 1$

Step 4.4.2.1.1.2

Add $- 2 y - z$ and $0$ .

$x = - 2 y - z + 3 y + 4 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$z + w = 1$

$x = - 2 y - z + 3 y + 4 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$z + w = 1$

Step 4.4.2.1.2

Add $- 2 y$ and $3 y$ .

$x = y - z + 4 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$z + w = 1$

Step 4.4.2.1.3

Add $- z$ and $4 z$ .

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$z + w = 1$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$z + w = 1$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$z + w = 1$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$z + w = 1$

Step 4.5

Replace all occurrences of $w$ in $z + w = 1$ with $2 + 3 y + 4 z$ .

$z + 2 + 3 y + 4 z = 1$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 4.6

Simplify the left side.

Tap for more steps...

Step 4.6.1

Simplify $z + 2 + 3 y + 4 z$ .

Tap for more steps...

Step 4.6.1.1

Remove parentheses.

$z + 2 + 3 y + 4 z = 1$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 4.6.1.2

Add $z$ and $4 z$ .

$5 z + 2 + 3 y = 1$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$5 z + 2 + 3 y = 1$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$5 z + 2 + 3 y = 1$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$5 z + 2 + 3 y = 1$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 5

Solve for $z$ in $5 z + 2 + 3 y = 1$ .

Tap for more steps...

Step 5.1

Move all terms not containing $z$ to the right side of the equation.

Tap for more steps...

Step 5.1.1

Subtract $2$ from both sides of the equation.

$5 z + 3 y = 1 - 2$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 5.1.2

Subtract $3 y$ from both sides of the equation.

$5 z = 1 - 2 - 3 y$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 5.1.3

Subtract $2$ from $1$ .

$5 z = - 1 - 3 y$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$5 z = - 1 - 3 y$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 5.2

Divide each term in $5 z = - 1 - 3 y$ by $5$ and simplify.

Tap for more steps...

Step 5.2.1

Divide each term in $5 z = - 1 - 3 y$ by $5$ .

$\frac{5 z}{5} = \frac{- 1}{5} + \frac{- 3 y}{5}$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 5.2.2

Simplify the left side.

Tap for more steps...

Step 5.2.2.1

Cancel the common factor of $5$ .

Tap for more steps...

Step 5.2.2.1.1

Cancel the common factor.

$\frac{5 z}{5} = \frac{- 1}{5} + \frac{- 3 y}{5}$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 5.2.2.1.2

Divide $z$ by $1$ .

$z = \frac{- 1}{5} + \frac{- 3 y}{5}$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$z = \frac{- 1}{5} + \frac{- 3 y}{5}$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$z = \frac{- 1}{5} + \frac{- 3 y}{5}$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 5.2.3

Simplify the right side.

Tap for more steps...

Step 5.2.3.1

Simplify each term.

Tap for more steps...

Step 5.2.3.1.1

Move the negative in front of the fraction.

$z = - \frac{1}{5} + \frac{- 3 y}{5}$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 5.2.3.1.2

Move the negative in front of the fraction.

$z = - \frac{1}{5} - \frac{3 y}{5}$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$x = y + 3 z$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 6

Replace all occurrences of $z$ with $- \frac{1}{5} - \frac{3 y}{5}$ in each equation.

Tap for more steps...

Step 6.1

Replace all occurrences of $z$ in $x = y + 3 z$ with $- \frac{1}{5} - \frac{3 y}{5}$ .

$x = y + 3 (- \frac{1}{5} - \frac{3 y}{5})$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 6.2

Simplify the right side.

Tap for more steps...

Step 6.2.1

Simplify $y + 3 (- \frac{1}{5} - \frac{3 y}{5})$ .

Tap for more steps...

Step 6.2.1.1

Simplify each term.

Tap for more steps...

Step 6.2.1.1.1

Apply the distributive property.

$x = y + 3 (- \frac{1}{5}) + 3 (- \frac{3 y}{5})$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 6.2.1.1.2

Multiply $3 (- \frac{1}{5})$ .

Tap for more steps...

Step 6.2.1.1.2.1

Multiply $- 1$ by $3$ .

$x = y - 3 (\frac{1}{5}) + 3 (- \frac{3 y}{5})$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 6.2.1.1.2.2

Combine $- 3$ and $\frac{1}{5}$ .

$x = y + \frac{- 3}{5} + 3 (- \frac{3 y}{5})$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$x = y + \frac{- 3}{5} + 3 (- \frac{3 y}{5})$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 6.2.1.1.3

Multiply $3 (- \frac{3 y}{5})$ .

Tap for more steps...

Step 6.2.1.1.3.1

Multiply $- 1$ by $3$ .

$x = y + \frac{- 3}{5} - 3 \frac{3 y}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 6.2.1.1.3.2

Combine $- 3$ and $\frac{3 y}{5}$ .

$x = y + \frac{- 3}{5} + \frac{- 3 (3 y)}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 6.2.1.1.3.3

Multiply $3$ by $- 3$ .

$x = y + \frac{- 3}{5} + \frac{- 9 y}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$x = y + \frac{- 3}{5} + \frac{- 9 y}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 6.2.1.1.4

Simplify each term.

Tap for more steps...

Step 6.2.1.1.4.1

Move the negative in front of the fraction.

$x = y - \frac{3}{5} + \frac{- 9 y}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 6.2.1.1.4.2

Move the negative in front of the fraction.

$x = y - \frac{3}{5} - \frac{9 y}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$x = y - \frac{3}{5} - \frac{9 y}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$x = y - \frac{3}{5} - \frac{9 y}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 6.2.1.2

To write $y$ as a fraction with a common denominator, multiply by $\frac{5}{5}$ .

$x = y \cdot \frac{5}{5} - \frac{9 y}{5} - \frac{3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 6.2.1.3

Simplify terms.

Tap for more steps...

Step 6.2.1.3.1

Combine $y$ and $\frac{5}{5}$ .

$x = \frac{y \cdot 5}{5} - \frac{9 y}{5} - \frac{3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 6.2.1.3.2

Combine the numerators over the common denominator.

$x = \frac{y \cdot 5 - 9 y}{5} - \frac{3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 6.2.1.3.3

Combine the numerators over the common denominator.

$x = \frac{y \cdot 5 - 9 y - 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$x = \frac{y \cdot 5 - 9 y - 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 6.2.1.4

Move $5$ to the left of $y$ .

$x = \frac{5 y - 9 y - 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 6.2.1.5

Simplify terms.

Tap for more steps...

Step 6.2.1.5.1

Subtract $9 y$ from $5 y$ .

$x = \frac{- 4 y - 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 6.2.1.5.2

Factor $- 1$ out of $- 4 y$ .

$x = \frac{- (4 y) - 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 6.2.1.5.3

Rewrite $- 3$ as $- 1 (3)$ .

$x = \frac{- (4 y) - 1 \cdot 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 6.2.1.5.4

Factor $- 1$ out of $- (4 y) - 1 (3)$ .

$x = \frac{- (4 y + 3)}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 6.2.1.5.5

Simplify the expression.

Tap for more steps...

Step 6.2.1.5.5.1

Rewrite $- (4 y + 3)$ as $- 1 (4 y + 3)$ .

$x = \frac{- 1 (4 y + 3)}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 6.2.1.5.5.2

Move the negative in front of the fraction.

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$6 y + 2 + 11 z = 1$

$w = 2 + 3 y + 4 z$

Step 6.3

Replace all occurrences of $z$ in $6 y + 2 + 11 z = 1$ with $- \frac{1}{5} - \frac{3 y}{5}$ .

$6 y + 2 + 11 (- \frac{1}{5} - \frac{3 y}{5}) = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4

Simplify the left side.

Tap for more steps...

Step 6.4.1

Simplify $6 y + 2 + 11 (- \frac{1}{5} - \frac{3 y}{5})$ .

Tap for more steps...

Step 6.4.1.1

Simplify each term.

Tap for more steps...

Step 6.4.1.1.1

Apply the distributive property.

$6 y + 2 + 11 (- \frac{1}{5}) + 11 (- \frac{3 y}{5}) = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.1.2

Multiply $11 (- \frac{1}{5})$ .

Tap for more steps...

Step 6.4.1.1.2.1

Multiply $- 1$ by $11$ .

$6 y + 2 - 11 (\frac{1}{5}) + 11 (- \frac{3 y}{5}) = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.1.2.2

Combine $- 11$ and $\frac{1}{5}$ .

$6 y + 2 + \frac{- 11}{5} + 11 (- \frac{3 y}{5}) = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

$6 y + 2 + \frac{- 11}{5} + 11 (- \frac{3 y}{5}) = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.1.3

Multiply $11 (- \frac{3 y}{5})$ .

Tap for more steps...

Step 6.4.1.1.3.1

Multiply $- 1$ by $11$ .

$6 y + 2 + \frac{- 11}{5} - 11 \frac{3 y}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.1.3.2

Combine $- 11$ and $\frac{3 y}{5}$ .

$6 y + 2 + \frac{- 11}{5} + \frac{- 11 (3 y)}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.1.3.3

Multiply $3$ by $- 11$ .

$6 y + 2 + \frac{- 11}{5} + \frac{- 33 y}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

$6 y + 2 + \frac{- 11}{5} + \frac{- 33 y}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.1.4

Simplify each term.

Tap for more steps...

Step 6.4.1.1.4.1

Move the negative in front of the fraction.

$6 y + 2 - \frac{11}{5} + \frac{- 33 y}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.1.4.2

Move the negative in front of the fraction.

$6 y + 2 - \frac{11}{5} - \frac{33 y}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

$6 y + 2 - \frac{11}{5} - \frac{33 y}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

$6 y + 2 - \frac{11}{5} - \frac{33 y}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.2

To write $6 y$ as a fraction with a common denominator, multiply by $\frac{5}{5}$ .

$6 y \cdot \frac{5}{5} - \frac{33 y}{5} + 2 - \frac{11}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.3

Combine $6 y$ and $\frac{5}{5}$ .

$\frac{6 y \cdot 5}{5} - \frac{33 y}{5} + 2 - \frac{11}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.4

Combine the numerators over the common denominator.

$\frac{6 y \cdot 5 - 33 y}{5} + 2 - \frac{11}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.5

Combine the numerators over the common denominator.

$2 + \frac{6 y \cdot 5 - 33 y - 11}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.6

Multiply $5$ by $6$ .

$2 + \frac{30 y - 33 y - 11}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.7

Subtract $33 y$ from $30 y$ .

$2 + \frac{- 3 y - 11}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.8

To write $2$ as a fraction with a common denominator, multiply by $\frac{5}{5}$ .

$2 \cdot \frac{5}{5} + \frac{- 3 y - 11}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.9

Simplify terms.

Tap for more steps...

Step 6.4.1.9.1

Combine $2$ and $\frac{5}{5}$ .

$\frac{2 \cdot 5}{5} + \frac{- 3 y - 11}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.9.2

Combine the numerators over the common denominator.

$\frac{2 \cdot 5 - 3 y - 11}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

$\frac{2 \cdot 5 - 3 y - 11}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.10

Simplify the numerator.

Tap for more steps...

Step 6.4.1.10.1

Multiply $2$ by $5$ .

$\frac{10 - 3 y - 11}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.10.2

Subtract $11$ from $10$ .

$\frac{- 3 y - 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

$\frac{- 3 y - 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.11

Simplify with factoring out.

Tap for more steps...

Step 6.4.1.11.1

Factor $- 1$ out of $- 3 y$ .

$\frac{- (3 y) - 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.11.2

Rewrite $- 1$ as $- 1 (1)$ .

$\frac{- (3 y) - 1 \cdot 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.11.3

Factor $- 1$ out of $- (3 y) - 1 (1)$ .

$\frac{- (3 y + 1)}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.11.4

Simplify the expression.

Tap for more steps...

Step 6.4.1.11.4.1

Rewrite $- (3 y + 1)$ as $- 1 (3 y + 1)$ .

$\frac{- 1 (3 y + 1)}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.4.1.11.4.2

Move the negative in front of the fraction.

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + 4 z$

Step 6.5

Replace all occurrences of $z$ in $w = 2 + 3 y + 4 z$ with $- \frac{1}{5} - \frac{3 y}{5}$ .

$w = 2 + 3 y + 4 (- \frac{1}{5} - \frac{3 y}{5})$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6

Simplify the right side.

Tap for more steps...

Step 6.6.1

Simplify $2 + 3 y + 4 (- \frac{1}{5} - \frac{3 y}{5})$ .

Tap for more steps...

Step 6.6.1.1

Simplify each term.

Tap for more steps...

Step 6.6.1.1.1

Apply the distributive property.

$w = 2 + 3 y + 4 (- \frac{1}{5}) + 4 (- \frac{3 y}{5})$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6.1.1.2

Multiply $4 (- \frac{1}{5})$ .

Tap for more steps...

Step 6.6.1.1.2.1

Multiply $- 1$ by $4$ .

$w = 2 + 3 y - 4 (\frac{1}{5}) + 4 (- \frac{3 y}{5})$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6.1.1.2.2

Combine $- 4$ and $\frac{1}{5}$ .

$w = 2 + 3 y + \frac{- 4}{5} + 4 (- \frac{3 y}{5})$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + \frac{- 4}{5} + 4 (- \frac{3 y}{5})$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6.1.1.3

Multiply $4 (- \frac{3 y}{5})$ .

Tap for more steps...

Step 6.6.1.1.3.1

Multiply $- 1$ by $4$ .

$w = 2 + 3 y + \frac{- 4}{5} - 4 \frac{3 y}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6.1.1.3.2

Combine $- 4$ and $\frac{3 y}{5}$ .

$w = 2 + 3 y + \frac{- 4}{5} + \frac{- 4 (3 y)}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6.1.1.3.3

Multiply $3$ by $- 4$ .

$w = 2 + 3 y + \frac{- 4}{5} + \frac{- 12 y}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y + \frac{- 4}{5} + \frac{- 12 y}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6.1.1.4

Simplify each term.

Tap for more steps...

Step 6.6.1.1.4.1

Move the negative in front of the fraction.

$w = 2 + 3 y - \frac{4}{5} + \frac{- 12 y}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6.1.1.4.2

Move the negative in front of the fraction.

$w = 2 + 3 y - \frac{4}{5} - \frac{12 y}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y - \frac{4}{5} - \frac{12 y}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 2 + 3 y - \frac{4}{5} - \frac{12 y}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6.1.2

To write $2$ as a fraction with a common denominator, multiply by $\frac{5}{5}$ .

$w = 3 y + 2 \cdot \frac{5}{5} - \frac{4}{5} - \frac{12 y}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6.1.3

Combine $2$ and $\frac{5}{5}$ .

$w = 3 y + \frac{2 \cdot 5}{5} - \frac{4}{5} - \frac{12 y}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6.1.4

Combine the numerators over the common denominator.

$w = 3 y + \frac{2 \cdot 5 - 4}{5} - \frac{12 y}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6.1.5

Simplify the numerator.

Tap for more steps...

Step 6.6.1.5.1

Multiply $2$ by $5$ .

$w = 3 y + \frac{10 - 4}{5} - \frac{12 y}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6.1.5.2

Subtract $4$ from $10$ .

$w = 3 y + \frac{6}{5} - \frac{12 y}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 3 y + \frac{6}{5} - \frac{12 y}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6.1.6

To write $3 y$ as a fraction with a common denominator, multiply by $\frac{5}{5}$ .

$w = 3 y \cdot \frac{5}{5} - \frac{12 y}{5} + \frac{6}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6.1.7

Combine $3 y$ and $\frac{5}{5}$ .

$w = \frac{3 y \cdot 5}{5} - \frac{12 y}{5} + \frac{6}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6.1.8

Combine the numerators over the common denominator.

$w = \frac{3 y \cdot 5 - 12 y}{5} + \frac{6}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6.1.9

Combine the numerators over the common denominator.

$w = \frac{3 y \cdot 5 - 12 y + 6}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6.1.10

Multiply $5$ by $3$ .

$w = \frac{15 y - 12 y + 6}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6.1.11

Subtract $12 y$ from $15 y$ .

$w = \frac{3 y + 6}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6.1.12

Factor $3$ out of $3 y + 6$ .

Tap for more steps...

Step 6.6.1.12.1

Factor $3$ out of $3 y$ .

$w = \frac{3 (y) + 6}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6.1.12.2

Factor $3$ out of $6$ .

$w = \frac{3 y + 3 \cdot 2}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 6.6.1.12.3

Factor $3$ out of $3 y + 3 \cdot 2$ .

$w = \frac{3 (y + 2)}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = \frac{3 (y + 2)}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = \frac{3 (y + 2)}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = \frac{3 (y + 2)}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = \frac{3 (y + 2)}{5}$

$- \frac{3 y + 1}{5} = 1$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 7

Solve for $y$ in $- \frac{3 y + 1}{5} = 1$ .

Tap for more steps...

Step 7.1

Multiply both sides of the equation by $- 5$ .

$- 5 (- \frac{3 y + 1}{5}) = - 5 \cdot 1$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 7.2

Simplify both sides of the equation.

Tap for more steps...

Step 7.2.1

Simplify the left side.

Tap for more steps...

Step 7.2.1.1

Simplify $- 5 (- \frac{3 y + 1}{5})$ .

Tap for more steps...

Step 7.2.1.1.1

Cancel the common factor of $5$ .

Tap for more steps...

Step 7.2.1.1.1.1

Move the leading negative in $- \frac{3 y + 1}{5}$ into the numerator.

$- 5 \frac{- (3 y + 1)}{5} = - 5 \cdot 1$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 7.2.1.1.1.2

Factor $5$ out of $- 5$ .

$5 (- 1) (\frac{- (3 y + 1)}{5}) = - 5 \cdot 1$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 7.2.1.1.1.3

Cancel the common factor.

$5 \cdot (- 1 \frac{- (3 y + 1)}{5}) = - 5 \cdot 1$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 7.2.1.1.1.4

Rewrite the expression.

$3 y + 1 = - 5 \cdot 1$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$3 y + 1 = - 5 \cdot 1$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 7.2.1.1.2

Multiply.

Tap for more steps...

Step 7.2.1.1.2.1

Multiply $- 1$ by $- 1$ .

$1 (3 y + 1) = - 5 \cdot 1$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 7.2.1.1.2.2

Multiply $3 y + 1$ by $1$ .

$3 y + 1 = - 5 \cdot 1$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$3 y + 1 = - 5 \cdot 1$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$3 y + 1 = - 5 \cdot 1$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$3 y + 1 = - 5 \cdot 1$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 7.2.2

Simplify the right side.

Tap for more steps...

Step 7.2.2.1

Multiply $- 5$ by $1$ .

$3 y + 1 = - 5$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$3 y + 1 = - 5$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$3 y + 1 = - 5$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 7.3

Move all terms not containing $y$ to the right side of the equation.

Tap for more steps...

Step 7.3.1

Subtract $1$ from both sides of the equation.

$3 y = - 5 - 1$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 7.3.2

Subtract $1$ from $- 5$ .

$3 y = - 6$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$3 y = - 6$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 7.4

Divide each term in $3 y = - 6$ by $3$ and simplify.

Tap for more steps...

Step 7.4.1

Divide each term in $3 y = - 6$ by $3$ .

$\frac{3 y}{3} = \frac{- 6}{3}$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 7.4.2

Simplify the left side.

Tap for more steps...

Step 7.4.2.1

Cancel the common factor of $3$ .

Tap for more steps...

Step 7.4.2.1.1

Cancel the common factor.

$\frac{3 y}{3} = \frac{- 6}{3}$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 7.4.2.1.2

Divide $y$ by $1$ .

$y = \frac{- 6}{3}$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$y = \frac{- 6}{3}$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$y = \frac{- 6}{3}$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 7.4.3

Simplify the right side.

Tap for more steps...

Step 7.4.3.1

Divide $- 6$ by $3$ .

$y = - 2$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$y = - 2$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$y = - 2$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$y = - 2$

$w = \frac{3 (y + 2)}{5}$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 8

Replace all occurrences of $y$ with $- 2$ in each equation.

Tap for more steps...

Step 8.1

Replace all occurrences of $y$ in $w = \frac{3 (y + 2)}{5}$ with $- 2$ .

$w = \frac{3 ((- 2) + 2)}{5}$

$y = - 2$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 8.2

Simplify the right side.

Tap for more steps...

Step 8.2.1

Simplify $\frac{3 ((- 2) + 2)}{5}$ .

Tap for more steps...

Step 8.2.1.1

Add $- 2$ and $2$ .

$w = \frac{3 \cdot 0}{5}$

$y = - 2$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 8.2.1.2

Multiply $3$ by $0$ .

$w = \frac{0}{5}$

$y = - 2$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 8.2.1.3

Divide $0$ by $5$ .

$w = 0$

$y = - 2$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 0$

$y = - 2$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$w = 0$

$y = - 2$

$x = - \frac{4 y + 3}{5}$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 8.3

Replace all occurrences of $y$ in $x = - \frac{4 y + 3}{5}$ with $- 2$ .

$x = - \frac{4 (- 2) + 3}{5}$

$w = 0$

$y = - 2$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 8.4

Simplify the right side.

Tap for more steps...

Step 8.4.1

Simplify $- \frac{4 (- 2) + 3}{5}$ .

Tap for more steps...

Step 8.4.1.1

Simplify the numerator.

Tap for more steps...

Step 8.4.1.1.1

Multiply $4$ by $- 2$ .

$x = - \frac{- 8 + 3}{5}$

$w = 0$

$y = - 2$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 8.4.1.1.2

Add $- 8$ and $3$ .

$x = - \frac{- 5}{5}$

$w = 0$

$y = - 2$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$x = - \frac{- 5}{5}$

$w = 0$

$y = - 2$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 8.4.1.2

Simplify the expression.

Tap for more steps...

Step 8.4.1.2.1

Divide $- 5$ by $5$ .

$x = 1$

$w = 0$

$y = - 2$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 8.4.1.2.2

Multiply $- 1$ by $- 1$ .

$x = 1$

$w = 0$

$y = - 2$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$x = 1$

$w = 0$

$y = - 2$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$x = 1$

$w = 0$

$y = - 2$

$z = - \frac{1}{5} - \frac{3 y}{5}$

$x = 1$

$w = 0$

$y = - 2$

$z = - \frac{1}{5} - \frac{3 y}{5}$

Step 8.5

Replace all occurrences of $y$ in $z = - \frac{1}{5} - \frac{3 y}{5}$ with $- 2$ .

$z = - \frac{1}{5} - \frac{3 (- 2)}{5}$

$x = 1$

$w = 0$

$y = - 2$

Step 8.6

Simplify the right side.

Tap for more steps...

Step 8.6.1

Simplify $- \frac{1}{5} - \frac{3 (- 2)}{5}$ .

Tap for more steps...

Step 8.6.1.1

Combine the numerators over the common denominator.

$z = \frac{- 1 - 3 \cdot - 2}{5}$

$x = 1$

$w = 0$

$y = - 2$

Step 8.6.1.2

Simplify the expression.

Tap for more steps...

Step 8.6.1.2.1

Multiply $- 3$ by $- 2$ .

$z = \frac{- 1 + 6}{5}$

$x = 1$

$w = 0$

$y = - 2$

Step 8.6.1.2.2

Add $- 1$ and $6$ .

$z = \frac{5}{5}$

$x = 1$

$w = 0$

$y = - 2$

Step 8.6.1.2.3

Divide $5$ by $5$ .

$z = 1$

$x = 1$

$w = 0$

$y = - 2$

$z = 1$

$x = 1$

$w = 0$

$y = - 2$

$z = 1$

$x = 1$

$w = 0$

$y = - 2$

$z = 1$

$x = 1$

$w = 0$

$y = - 2$

$z = 1$

$x = 1$

$w = 0$

$y = - 2$

Step 9

List all of the solutions.

$z = 1, x = 1, w = 0, y = - 2$