Algebra Examples

$x - 3 y + z = - 8$ $x + 5 y + 6 z = - 10$ $- x - y + 2 z = - 2$

Step 1

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

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Step 1.1

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

$x + z = - 8 + 3 y$

$x + 5 y + 6 z = - 10$

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

Step 1.2

Subtract $z$ from both sides of the equation.

$x = - 8 + 3 y - z$

$x + 5 y + 6 z = - 10$

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

$x = - 8 + 3 y - z$

$x + 5 y + 6 z = - 10$

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

Step 2

Replace all occurrences of $x$ with $- 8 + 3 y - z$ in each equation.

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Step 2.1

Replace all occurrences of $x$ in $x + 5 y + 6 z = - 10$ with $- 8 + 3 y - z$ .

$(- 8 + 3 y - z) + 5 y + 6 z = - 10$

$x = - 8 + 3 y - z$

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

Step 2.2

Simplify the left side.

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Step 2.2.1

Simplify $(- 8 + 3 y - z) + 5 y + 6 z$ .

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Step 2.2.1.1

Add $3 y$ and $5 y$ .

$- 8 + 8 y - z + 6 z = - 10$

$x = - 8 + 3 y - z$

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

Step 2.2.1.2

Add $- z$ and $6 z$ .

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

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

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

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

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

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

Step 2.3

Replace all occurrences of $x$ in $- x - y + 2 z = - 2$ with $- 8 + 3 y - z$ .

$- (- 8 + 3 y - z) - y + 2 z = - 2$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

Step 2.4

Simplify the left side.

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Step 2.4.1

Simplify $- (- 8 + 3 y - z) - y + 2 z$ .

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Step 2.4.1.1

Simplify each term.

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Step 2.4.1.1.1

Apply the distributive property.

$8 - (3 y) + z - y + 2 z = - 2$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

Step 2.4.1.1.2

Simplify.

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Step 2.4.1.1.2.1

Multiply $- 1$ by $- 8$ .

$8 - (3 y) + z - y + 2 z = - 2$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

Step 2.4.1.1.2.2

Multiply $3$ by $- 1$ .

$8 - 3 y + z - y + 2 z = - 2$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

Step 2.4.1.1.2.3

Multiply $- - z$ .

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Step 2.4.1.1.2.3.1

Multiply $- 1$ by $- 1$ .

$8 - 3 y + 1 z - y + 2 z = - 2$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

Step 2.4.1.1.2.3.2

Multiply $z$ by $1$ .

$8 - 3 y + z - y + 2 z = - 2$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

$8 - 3 y + z - y + 2 z = - 2$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

$8 - 3 y + z - y + 2 z = - 2$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

$8 - 3 y + z - y + 2 z = - 2$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

Step 2.4.1.2

Simplify by adding terms.

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Step 2.4.1.2.1

Subtract $y$ from $- 3 y$ .

$8 - 4 y + z + 2 z = - 2$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

Step 2.4.1.2.2

Add $z$ and $2 z$ .

$8 - 4 y + 3 z = - 2$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

$8 - 4 y + 3 z = - 2$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

$8 - 4 y + 3 z = - 2$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

$8 - 4 y + 3 z = - 2$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

$8 - 4 y + 3 z = - 2$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

Step 3

Solve for $y$ in $8 - 4 y + 3 z = - 2$ .

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Step 3.1

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

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Step 3.1.1

Subtract $8$ from both sides of the equation.

$- 4 y + 3 z = - 2 - 8$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

Step 3.1.2

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

$- 4 y = - 2 - 8 - 3 z$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

Step 3.1.3

Subtract $8$ from $- 2$ .

$- 4 y = - 10 - 3 z$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

$- 4 y = - 10 - 3 z$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

Step 3.2

Divide each term in $- 4 y = - 10 - 3 z$ by $- 4$ and simplify.

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Step 3.2.1

Divide each term in $- 4 y = - 10 - 3 z$ by $- 4$ .

$\frac{- 4 y}{- 4} = \frac{- 10}{- 4} + \frac{- 3 z}{- 4}$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

Step 3.2.2

Simplify the left side.

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Step 3.2.2.1

Cancel the common factor of $- 4$ .

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Step 3.2.2.1.1

Cancel the common factor.

$\frac{- 4 y}{- 4} = \frac{- 10}{- 4} + \frac{- 3 z}{- 4}$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

Step 3.2.2.1.2

Divide $y$ by $1$ .

$y = \frac{- 10}{- 4} + \frac{- 3 z}{- 4}$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

$y = \frac{- 10}{- 4} + \frac{- 3 z}{- 4}$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

$y = \frac{- 10}{- 4} + \frac{- 3 z}{- 4}$

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

Step 3.2.3

Simplify the right side.

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Step 3.2.3.1

Simplify each term.

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Step 3.2.3.1.1

Cancel the common factor of $- 10$ and $- 4$ .

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Step 3.2.3.1.1.1

Factor $- 2$ out of $- 10$ .

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

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

Step 3.2.3.1.1.2

Cancel the common factors.

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Step 3.2.3.1.1.2.1

Factor $- 2$ out of $- 4$ .

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

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

Step 3.2.3.1.1.2.2

Cancel the common factor.

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

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

Step 3.2.3.1.1.2.3

Rewrite the expression.

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

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

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

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

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

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

Step 3.2.3.1.2

Dividing two negative values results in a positive value.

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

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

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

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

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

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

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

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

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

$- 8 + 8 y + 5 z = - 10$

$x = - 8 + 3 y - z$

Step 4

Replace all occurrences of $y$ with $\frac{5}{2} + \frac{3 z}{4}$ in each equation.

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Step 4.1

Replace all occurrences of $y$ in $- 8 + 8 y + 5 z = - 10$ with $\frac{5}{2} + \frac{3 z}{4}$ .

$- 8 + 8 (\frac{5}{2} + \frac{3 z}{4}) + 5 z = - 10$

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

$x = - 8 + 3 y - z$

Step 4.2

Simplify the left side.

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Step 4.2.1

Simplify $- 8 + 8 (\frac{5}{2} + \frac{3 z}{4}) + 5 z$ .

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Step 4.2.1.1

Simplify each term.

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Step 4.2.1.1.1

Apply the distributive property.

$- 8 + 8 (\frac{5}{2}) + 8 (\frac{3 z}{4}) + 5 z = - 10$

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

$x = - 8 + 3 y - z$

Step 4.2.1.1.2

Cancel the common factor of $2$ .

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Step 4.2.1.1.2.1

Factor $2$ out of $8$ .

$- 8 + 2 (4) (\frac{5}{2}) + 8 (\frac{3 z}{4}) + 5 z = - 10$

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

$x = - 8 + 3 y - z$

Step 4.2.1.1.2.2

Cancel the common factor.

$- 8 + 2 \cdot (4 (\frac{5}{2})) + 8 (\frac{3 z}{4}) + 5 z = - 10$

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

$x = - 8 + 3 y - z$

Step 4.2.1.1.2.3

Rewrite the expression.

$- 8 + 4 \cdot 5 + 8 (\frac{3 z}{4}) + 5 z = - 10$

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

$x = - 8 + 3 y - z$

$- 8 + 4 \cdot 5 + 8 (\frac{3 z}{4}) + 5 z = - 10$

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

$x = - 8 + 3 y - z$

Step 4.2.1.1.3

Multiply $4$ by $5$ .

$- 8 + 20 + 8 (\frac{3 z}{4}) + 5 z = - 10$

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

$x = - 8 + 3 y - z$

Step 4.2.1.1.4

Cancel the common factor of $4$ .

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Step 4.2.1.1.4.1

Factor $4$ out of $8$ .

$- 8 + 20 + 4 (2) (\frac{3 z}{4}) + 5 z = - 10$

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

$x = - 8 + 3 y - z$

Step 4.2.1.1.4.2

Cancel the common factor.

$- 8 + 20 + 4 \cdot (2 (\frac{3 z}{4})) + 5 z = - 10$

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

$x = - 8 + 3 y - z$

Step 4.2.1.1.4.3

Rewrite the expression.

$- 8 + 20 + 2 (3 z) + 5 z = - 10$

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

$x = - 8 + 3 y - z$

$- 8 + 20 + 2 (3 z) + 5 z = - 10$

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

$x = - 8 + 3 y - z$

Step 4.2.1.1.5

Multiply $3$ by $2$ .

$- 8 + 20 + 6 z + 5 z = - 10$

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

$x = - 8 + 3 y - z$

$- 8 + 20 + 6 z + 5 z = - 10$

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

$x = - 8 + 3 y - z$

Step 4.2.1.2

Simplify by adding terms.

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Step 4.2.1.2.1

Add $- 8$ and $20$ .

$12 + 6 z + 5 z = - 10$

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

$x = - 8 + 3 y - z$

Step 4.2.1.2.2

Add $6 z$ and $5 z$ .

$12 + 11 z = - 10$

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

$x = - 8 + 3 y - z$

$12 + 11 z = - 10$

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

$x = - 8 + 3 y - z$

$12 + 11 z = - 10$

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

$x = - 8 + 3 y - z$

$12 + 11 z = - 10$

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

$x = - 8 + 3 y - z$

Step 4.3

Replace all occurrences of $y$ in $x = - 8 + 3 y - z$ with $\frac{5}{2} + \frac{3 z}{4}$ .

$x = - 8 + 3 (\frac{5}{2} + \frac{3 z}{4}) - z$

$12 + 11 z = - 10$

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

Step 4.4

Simplify the right side.

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Step 4.4.1

Simplify $- 8 + 3 (\frac{5}{2} + \frac{3 z}{4}) - z$ .

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Step 4.4.1.1

Simplify each term.

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Step 4.4.1.1.1

Apply the distributive property.

$x = - 8 + 3 (\frac{5}{2}) + 3 (\frac{3 z}{4}) - z$

$12 + 11 z = - 10$

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

Step 4.4.1.1.2

Multiply $3 (\frac{5}{2})$ .

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Step 4.4.1.1.2.1

Combine $3$ and $\frac{5}{2}$ .

$x = - 8 + \frac{3 \cdot 5}{2} + 3 (\frac{3 z}{4}) - z$

$12 + 11 z = - 10$

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

Step 4.4.1.1.2.2

Multiply $3$ by $5$ .

$x = - 8 + \frac{15}{2} + 3 (\frac{3 z}{4}) - z$

$12 + 11 z = - 10$

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

$x = - 8 + \frac{15}{2} + 3 (\frac{3 z}{4}) - z$

$12 + 11 z = - 10$

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

Step 4.4.1.1.3

Multiply $3 \frac{3 z}{4}$ .

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Step 4.4.1.1.3.1

Combine $3$ and $\frac{3 z}{4}$ .

$x = - 8 + \frac{15}{2} + \frac{3 (3 z)}{4} - z$

$12 + 11 z = - 10$

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

Step 4.4.1.1.3.2

Multiply $3$ by $3$ .

$x = - 8 + \frac{15}{2} + \frac{9 z}{4} - z$

$12 + 11 z = - 10$

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

$x = - 8 + \frac{15}{2} + \frac{9 z}{4} - z$

$12 + 11 z = - 10$

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

$x = - 8 + \frac{15}{2} + \frac{9 z}{4} - z$

$12 + 11 z = - 10$

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

Step 4.4.1.2

To write $- 8$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$x = - 8 \cdot \frac{2}{2} + \frac{15}{2} + \frac{9 z}{4} - z$

$12 + 11 z = - 10$

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

Step 4.4.1.3

Combine $- 8$ and $\frac{2}{2}$ .

$x = \frac{- 8 \cdot 2}{2} + \frac{15}{2} + \frac{9 z}{4} - z$

$12 + 11 z = - 10$

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

Step 4.4.1.4

Combine the numerators over the common denominator.

$x = \frac{- 8 \cdot 2 + 15}{2} + \frac{9 z}{4} - z$

$12 + 11 z = - 10$

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

Step 4.4.1.5

Simplify the numerator.

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Step 4.4.1.5.1

Multiply $- 8$ by $2$ .

$x = \frac{- 16 + 15}{2} + \frac{9 z}{4} - z$

$12 + 11 z = - 10$

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

Step 4.4.1.5.2

Add $- 16$ and $15$ .

$x = \frac{- 1}{2} + \frac{9 z}{4} - z$

$12 + 11 z = - 10$

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

$x = \frac{- 1}{2} + \frac{9 z}{4} - z$

$12 + 11 z = - 10$

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

Step 4.4.1.6

Move the negative in front of the fraction.

$x = - \frac{1}{2} + \frac{9 z}{4} - z$

$12 + 11 z = - 10$

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

Step 4.4.1.7

To write $- z$ as a fraction with a common denominator, multiply by $\frac{4}{4}$ .

$x = - \frac{1}{2} + \frac{9 z}{4} - z \cdot \frac{4}{4}$

$12 + 11 z = - 10$

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

Step 4.4.1.8

Simplify terms.

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Step 4.4.1.8.1

Combine $- z$ and $\frac{4}{4}$ .

$x = - \frac{1}{2} + \frac{9 z}{4} + \frac{- z \cdot 4}{4}$

$12 + 11 z = - 10$

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

Step 4.4.1.8.2

Combine the numerators over the common denominator.

$x = - \frac{1}{2} + \frac{9 z - z \cdot 4}{4}$

$12 + 11 z = - 10$

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

$x = - \frac{1}{2} + \frac{9 z - z \cdot 4}{4}$

$12 + 11 z = - 10$

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

Step 4.4.1.9

Simplify each term.

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Step 4.4.1.9.1

Simplify the numerator.

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Step 4.4.1.9.1.1

Factor $z$ out of $9 z - z \cdot 4$ .

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Step 4.4.1.9.1.1.1

Factor $z$ out of $9 z$ .

$x = - \frac{1}{2} + \frac{z \cdot 9 - z \cdot 4}{4}$

$12 + 11 z = - 10$

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

Step 4.4.1.9.1.1.2

Factor $z$ out of $- z \cdot 4$ .

$x = - \frac{1}{2} + \frac{z \cdot 9 + z (- 1 \cdot 4)}{4}$

$12 + 11 z = - 10$

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

Step 4.4.1.9.1.1.3

Factor $z$ out of $z \cdot 9 + z (- 1 \cdot 4)$ .

$x = - \frac{1}{2} + \frac{z (9 - 1 \cdot 4)}{4}$

$12 + 11 z = - 10$

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

$x = - \frac{1}{2} + \frac{z (9 - 1 \cdot 4)}{4}$

$12 + 11 z = - 10$

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

Step 4.4.1.9.1.2

Multiply $- 1$ by $4$ .

$x = - \frac{1}{2} + \frac{z (9 - 4)}{4}$

$12 + 11 z = - 10$

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

Step 4.4.1.9.1.3

Subtract $4$ from $9$ .

$x = - \frac{1}{2} + \frac{z \cdot 5}{4}$

$12 + 11 z = - 10$

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

$x = - \frac{1}{2} + \frac{z \cdot 5}{4}$

$12 + 11 z = - 10$

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

Step 4.4.1.9.2

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

$x = - \frac{1}{2} + \frac{5 z}{4}$

$12 + 11 z = - 10$

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

$x = - \frac{1}{2} + \frac{5 z}{4}$

$12 + 11 z = - 10$

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

$x = - \frac{1}{2} + \frac{5 z}{4}$

$12 + 11 z = - 10$

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

$x = - \frac{1}{2} + \frac{5 z}{4}$

$12 + 11 z = - 10$

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

$x = - \frac{1}{2} + \frac{5 z}{4}$

$12 + 11 z = - 10$

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

Step 5

Solve for $z$ in $12 + 11 z = - 10$ .

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Step 5.1

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

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Step 5.1.1

Subtract $12$ from both sides of the equation.

$11 z = - 10 - 12$

$x = - \frac{1}{2} + \frac{5 z}{4}$

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

Step 5.1.2

Subtract $12$ from $- 10$ .

$11 z = - 22$

$x = - \frac{1}{2} + \frac{5 z}{4}$

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

$11 z = - 22$

$x = - \frac{1}{2} + \frac{5 z}{4}$

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

Step 5.2

Divide each term in $11 z = - 22$ by $11$ and simplify.

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Step 5.2.1

Divide each term in $11 z = - 22$ by $11$ .

$\frac{11 z}{11} = \frac{- 22}{11}$

$x = - \frac{1}{2} + \frac{5 z}{4}$

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

Step 5.2.2

Simplify the left side.

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Step 5.2.2.1

Cancel the common factor of $11$ .

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Step 5.2.2.1.1

Cancel the common factor.

$\frac{11 z}{11} = \frac{- 22}{11}$

$x = - \frac{1}{2} + \frac{5 z}{4}$

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

Step 5.2.2.1.2

Divide $z$ by $1$ .

$z = \frac{- 22}{11}$

$x = - \frac{1}{2} + \frac{5 z}{4}$

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

$z = \frac{- 22}{11}$

$x = - \frac{1}{2} + \frac{5 z}{4}$

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

$z = \frac{- 22}{11}$

$x = - \frac{1}{2} + \frac{5 z}{4}$

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

Step 5.2.3

Simplify the right side.

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Step 5.2.3.1

Divide $- 22$ by $11$ .

$z = - 2$

$x = - \frac{1}{2} + \frac{5 z}{4}$

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

$z = - 2$

$x = - \frac{1}{2} + \frac{5 z}{4}$

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

$z = - 2$

$x = - \frac{1}{2} + \frac{5 z}{4}$

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

$z = - 2$

$x = - \frac{1}{2} + \frac{5 z}{4}$

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

Step 6

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

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Step 6.1

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

$x = - \frac{1}{2} + \frac{5 (- 2)}{4}$

$z = - 2$

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

Step 6.2

Simplify the right side.

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Step 6.2.1

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

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Step 6.2.1.1

Multiply $5$ by $- 2$ .

$x = - \frac{1}{2} + \frac{- 10}{4}$

$z = - 2$

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

Step 6.2.1.2

Simplify each term.

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Step 6.2.1.2.1

Cancel the common factor of $- 10$ and $4$ .

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Step 6.2.1.2.1.1

Factor $2$ out of $- 10$ .

$x = - \frac{1}{2} + \frac{2 (- 5)}{4}$

$z = - 2$

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

Step 6.2.1.2.1.2

Cancel the common factors.

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Step 6.2.1.2.1.2.1

Factor $2$ out of $4$ .

$x = - \frac{1}{2} + \frac{2 \cdot - 5}{2 \cdot 2}$

$z = - 2$

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

Step 6.2.1.2.1.2.2

Cancel the common factor.

$x = - \frac{1}{2} + \frac{2 \cdot - 5}{2 \cdot 2}$

$z = - 2$

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

Step 6.2.1.2.1.2.3

Rewrite the expression.

$x = - \frac{1}{2} + \frac{- 5}{2}$

$z = - 2$

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

$x = - \frac{1}{2} + \frac{- 5}{2}$

$z = - 2$

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

$x = - \frac{1}{2} + \frac{- 5}{2}$

$z = - 2$

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

Step 6.2.1.2.2

Move the negative in front of the fraction.

$x = - \frac{1}{2} - \frac{5}{2}$

$z = - 2$

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

$x = - \frac{1}{2} - \frac{5}{2}$

$z = - 2$

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

Step 6.2.1.3

Combine fractions.

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Step 6.2.1.3.1

Combine the numerators over the common denominator.

$x = \frac{- 1 - 5}{2}$

$z = - 2$

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

Step 6.2.1.3.2

Simplify the expression.

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Step 6.2.1.3.2.1

Subtract $5$ from $- 1$ .

$x = \frac{- 6}{2}$

$z = - 2$

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

Step 6.2.1.3.2.2

Divide $- 6$ by $2$ .

$x = - 3$

$z = - 2$

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

$x = - 3$

$z = - 2$

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

$x = - 3$

$z = - 2$

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

$x = - 3$

$z = - 2$

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

$x = - 3$

$z = - 2$

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

Step 6.3

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

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

$x = - 3$

$z = - 2$

Step 6.4

Simplify the right side.

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Step 6.4.1

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

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Step 6.4.1.1

Multiply $3$ by $- 2$ .

$y = \frac{5}{2} + \frac{- 6}{4}$

$x = - 3$

$z = - 2$

Step 6.4.1.2

Simplify each term.

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Step 6.4.1.2.1

Cancel the common factor of $- 6$ and $4$ .

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Step 6.4.1.2.1.1

Factor $2$ out of $- 6$ .

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

$x = - 3$

$z = - 2$

Step 6.4.1.2.1.2

Cancel the common factors.

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Step 6.4.1.2.1.2.1

Factor $2$ out of $4$ .

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

$x = - 3$

$z = - 2$

Step 6.4.1.2.1.2.2

Cancel the common factor.

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

$x = - 3$

$z = - 2$

Step 6.4.1.2.1.2.3

Rewrite the expression.

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

$x = - 3$

$z = - 2$

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

$x = - 3$

$z = - 2$

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

$x = - 3$

$z = - 2$

Step 6.4.1.2.2

Move the negative in front of the fraction.

$y = \frac{5}{2} - \frac{3}{2}$

$x = - 3$

$z = - 2$

$y = \frac{5}{2} - \frac{3}{2}$

$x = - 3$

$z = - 2$

Step 6.4.1.3

Combine fractions.

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Step 6.4.1.3.1

Combine the numerators over the common denominator.

$y = \frac{5 - 3}{2}$

$x = - 3$

$z = - 2$

Step 6.4.1.3.2

Simplify the expression.

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Step 6.4.1.3.2.1

Subtract $3$ from $5$ .

$y = \frac{2}{2}$

$x = - 3$

$z = - 2$

Step 6.4.1.3.2.2

Divide $2$ by $2$ .

$y = 1$

$x = - 3$

$z = - 2$

$y = 1$

$x = - 3$

$z = - 2$

$y = 1$

$x = - 3$

$z = - 2$

$y = 1$

$x = - 3$

$z = - 2$

$y = 1$

$x = - 3$

$z = - 2$

$y = 1$

$x = - 3$

$z = - 2$

Step 7

The solution to the system is the complete set of ordered pairs that are valid solutions.

$(- 3, 1, - 2)$

Step 8

The result can be shown in multiple forms.

Point Form:

$(- 3, 1, - 2)$

Equation Form:

$x = - 3, y = 1, z = - 2$