Finite Math Examples

$- 5 x + 7 y - z = 4$ , $x + 8 y + 2 z = - 1$ , $6 x + 4 z = 8$

Step 1

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

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Step 1.1

Subtract $8 y$ from both sides of the equation.

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

$- 5 x + 7 y - z = 4$

$6 x + 4 z = 8$

Step 1.2

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

$x = - 1 - 8 y - 2 z$

$- 5 x + 7 y - z = 4$

$6 x + 4 z = 8$

$x = - 1 - 8 y - 2 z$

$- 5 x + 7 y - z = 4$

$6 x + 4 z = 8$

Step 2

Replace all occurrences of $x$ with $- 1 - 8 y - 2 z$ in each equation.

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Step 2.1

Replace all occurrences of $x$ in $- 5 x + 7 y - z = 4$ with $- 1 - 8 y - 2 z$ .

$- 5 (- 1 - 8 y - 2 z) + 7 y - z = 4$

$x = - 1 - 8 y - 2 z$

$6 x + 4 z = 8$

Step 2.2

Simplify the left side.

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Step 2.2.1

Simplify $- 5 (- 1 - 8 y - 2 z) + 7 y - z$ .

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Step 2.2.1.1

Simplify each term.

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Step 2.2.1.1.1

Apply the distributive property.

$- 5 \cdot - 1 - 5 (- 8 y) - 5 (- 2 z) + 7 y - z = 4$

$x = - 1 - 8 y - 2 z$

$6 x + 4 z = 8$

Step 2.2.1.1.2

Simplify.

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Step 2.2.1.1.2.1

Multiply $- 5$ by $- 1$ .

$5 - 5 (- 8 y) - 5 (- 2 z) + 7 y - z = 4$

$x = - 1 - 8 y - 2 z$

$6 x + 4 z = 8$

Step 2.2.1.1.2.2

Multiply $- 8$ by $- 5$ .

$5 + 40 y - 5 (- 2 z) + 7 y - z = 4$

$x = - 1 - 8 y - 2 z$

$6 x + 4 z = 8$

Step 2.2.1.1.2.3

Multiply $- 2$ by $- 5$ .

$5 + 40 y + 10 z + 7 y - z = 4$

$x = - 1 - 8 y - 2 z$

$6 x + 4 z = 8$

$5 + 40 y + 10 z + 7 y - z = 4$

$x = - 1 - 8 y - 2 z$

$6 x + 4 z = 8$

$5 + 40 y + 10 z + 7 y - z = 4$

$x = - 1 - 8 y - 2 z$

$6 x + 4 z = 8$

Step 2.2.1.2

Simplify by adding terms.

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Step 2.2.1.2.1

Add $40 y$ and $7 y$ .

$5 + 47 y + 10 z - z = 4$

$x = - 1 - 8 y - 2 z$

$6 x + 4 z = 8$

Step 2.2.1.2.2

Subtract $z$ from $10 z$ .

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

$6 x + 4 z = 8$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

$6 x + 4 z = 8$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

$6 x + 4 z = 8$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

$6 x + 4 z = 8$

Step 2.3

Replace all occurrences of $x$ in $6 x + 4 z = 8$ with $- 1 - 8 y - 2 z$ .

$6 (- 1 - 8 y - 2 z) + 4 z = 8$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

Step 2.4

Simplify the left side.

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Step 2.4.1

Simplify $6 (- 1 - 8 y - 2 z) + 4 z$ .

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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.

$6 \cdot - 1 + 6 (- 8 y) + 6 (- 2 z) + 4 z = 8$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

Step 2.4.1.1.2

Simplify.

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Step 2.4.1.1.2.1

Multiply $6$ by $- 1$ .

$- 6 + 6 (- 8 y) + 6 (- 2 z) + 4 z = 8$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

Step 2.4.1.1.2.2

Multiply $- 8$ by $6$ .

$- 6 - 48 y + 6 (- 2 z) + 4 z = 8$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

Step 2.4.1.1.2.3

Multiply $- 2$ by $6$ .

$- 6 - 48 y - 12 z + 4 z = 8$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

$- 6 - 48 y - 12 z + 4 z = 8$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

$- 6 - 48 y - 12 z + 4 z = 8$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

Step 2.4.1.2

Add $- 12 z$ and $4 z$ .

$- 6 - 48 y - 8 z = 8$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

$- 6 - 48 y - 8 z = 8$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

$- 6 - 48 y - 8 z = 8$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

$- 6 - 48 y - 8 z = 8$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

Step 3

Solve for $y$ in $- 6 - 48 y - 8 z = 8$ .

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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

Add $6$ to both sides of the equation.

$- 48 y - 8 z = 8 + 6$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

Step 3.1.2

Add $8 z$ to both sides of the equation.

$- 48 y = 8 + 6 + 8 z$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

Step 3.1.3

Add $8$ and $6$ .

$- 48 y = 14 + 8 z$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

$- 48 y = 14 + 8 z$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

Step 3.2

Divide each term in $- 48 y = 14 + 8 z$ by $- 48$ and simplify.

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Step 3.2.1

Divide each term in $- 48 y = 14 + 8 z$ by $- 48$ .

$\frac{- 48 y}{- 48} = \frac{14}{- 48} + \frac{8 z}{- 48}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

Step 3.2.2

Simplify the left side.

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Step 3.2.2.1

Cancel the common factor of $- 48$ .

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Step 3.2.2.1.1

Cancel the common factor.

$\frac{- 48 y}{- 48} = \frac{14}{- 48} + \frac{8 z}{- 48}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

Step 3.2.2.1.2

Divide $y$ by $1$ .

$y = \frac{14}{- 48} + \frac{8 z}{- 48}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

$y = \frac{14}{- 48} + \frac{8 z}{- 48}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

$y = \frac{14}{- 48} + \frac{8 z}{- 48}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

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 $14$ and $- 48$ .

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Step 3.2.3.1.1.1

Factor $2$ out of $14$ .

$y = \frac{2 (7)}{- 48} + \frac{8 z}{- 48}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

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 $- 48$ .

$y = \frac{2 \cdot 7}{2 \cdot - 24} + \frac{8 z}{- 48}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

Step 3.2.3.1.1.2.2

Cancel the common factor.

$y = \frac{2 \cdot 7}{2 \cdot - 24} + \frac{8 z}{- 48}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

Step 3.2.3.1.1.2.3

Rewrite the expression.

$y = \frac{7}{- 24} + \frac{8 z}{- 48}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

$y = \frac{7}{- 24} + \frac{8 z}{- 48}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

$y = \frac{7}{- 24} + \frac{8 z}{- 48}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

Step 3.2.3.1.2

Move the negative in front of the fraction.

$y = - \frac{7}{24} + \frac{8 z}{- 48}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

Step 3.2.3.1.3

Cancel the common factor of $8$ and $- 48$ .

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Step 3.2.3.1.3.1

Factor $8$ out of $8 z$ .

$y = - \frac{7}{24} + \frac{8 (z)}{- 48}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

Step 3.2.3.1.3.2

Cancel the common factors.

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Step 3.2.3.1.3.2.1

Factor $8$ out of $- 48$ .

$y = - \frac{7}{24} + \frac{8 z}{8 \cdot - 6}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

Step 3.2.3.1.3.2.2

Cancel the common factor.

$y = - \frac{7}{24} + \frac{8 z}{8 \cdot - 6}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

Step 3.2.3.1.3.2.3

Rewrite the expression.

$y = - \frac{7}{24} + \frac{z}{- 6}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

$y = - \frac{7}{24} + \frac{z}{- 6}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

$y = - \frac{7}{24} + \frac{z}{- 6}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

Step 3.2.3.1.4

Move the negative in front of the fraction.

$y = - \frac{7}{24} - \frac{z}{6}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

$y = - \frac{7}{24} - \frac{z}{6}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

$y = - \frac{7}{24} - \frac{z}{6}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

$y = - \frac{7}{24} - \frac{z}{6}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

$y = - \frac{7}{24} - \frac{z}{6}$

$5 + 47 y + 9 z = 4$

$x = - 1 - 8 y - 2 z$

Step 4

Replace all occurrences of $y$ with $- \frac{7}{24} - \frac{z}{6}$ in each equation.

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Step 4.1

Replace all occurrences of $y$ in $5 + 47 y + 9 z = 4$ with $- \frac{7}{24} - \frac{z}{6}$ .

$5 + 47 (- \frac{7}{24} - \frac{z}{6}) + 9 z = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2

Simplify the left side.

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Step 4.2.1

Simplify $5 + 47 (- \frac{7}{24} - \frac{z}{6}) + 9 z$ .

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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.

$5 + 47 (- \frac{7}{24}) + 47 (- \frac{z}{6}) + 9 z = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.1.2

Multiply $47 (- \frac{7}{24})$ .

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Step 4.2.1.1.2.1

Multiply $- 1$ by $47$ .

$5 - 47 (\frac{7}{24}) + 47 (- \frac{z}{6}) + 9 z = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.1.2.2

Combine $- 47$ and $\frac{7}{24}$ .

$5 + \frac{- 47 \cdot 7}{24} + 47 (- \frac{z}{6}) + 9 z = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.1.2.3

Multiply $- 47$ by $7$ .

$5 + \frac{- 329}{24} + 47 (- \frac{z}{6}) + 9 z = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

$5 + \frac{- 329}{24} + 47 (- \frac{z}{6}) + 9 z = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.1.3

Multiply $47 (- \frac{z}{6})$ .

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Step 4.2.1.1.3.1

Multiply $- 1$ by $47$ .

$5 + \frac{- 329}{24} - 47 \frac{z}{6} + 9 z = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.1.3.2

Combine $- 47$ and $\frac{z}{6}$ .

$5 + \frac{- 329}{24} + \frac{- 47 z}{6} + 9 z = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

$5 + \frac{- 329}{24} + \frac{- 47 z}{6} + 9 z = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.1.4

Simplify each term.

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Step 4.2.1.1.4.1

Move the negative in front of the fraction.

$5 - \frac{329}{24} + \frac{- 47 z}{6} + 9 z = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.1.4.2

Move the negative in front of the fraction.

$5 - \frac{329}{24} - \frac{47 z}{6} + 9 z = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

$5 - \frac{329}{24} - \frac{47 z}{6} + 9 z = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

$5 - \frac{329}{24} - \frac{47 z}{6} + 9 z = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.2

To write $5$ as a fraction with a common denominator, multiply by $\frac{24}{24}$ .

$5 \cdot \frac{24}{24} - \frac{329}{24} - \frac{47 z}{6} + 9 z = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.3

Combine $5$ and $\frac{24}{24}$ .

$\frac{5 \cdot 24}{24} - \frac{329}{24} - \frac{47 z}{6} + 9 z = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.4

Combine the numerators over the common denominator.

$\frac{5 \cdot 24 - 329}{24} - \frac{47 z}{6} + 9 z = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.5

Simplify the numerator.

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Step 4.2.1.5.1

Multiply $5$ by $24$ .

$\frac{120 - 329}{24} - \frac{47 z}{6} + 9 z = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.5.2

Subtract $329$ from $120$ .

$\frac{- 209}{24} - \frac{47 z}{6} + 9 z = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

$\frac{- 209}{24} - \frac{47 z}{6} + 9 z = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.6

Move the negative in front of the fraction.

$- \frac{209}{24} - \frac{47 z}{6} + 9 z = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.7

To write $9 z$ as a fraction with a common denominator, multiply by $\frac{6}{6}$ .

$- \frac{209}{24} - \frac{47 z}{6} + 9 z \cdot \frac{6}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.8

Simplify terms.

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Step 4.2.1.8.1

Combine $9 z$ and $\frac{6}{6}$ .

$- \frac{209}{24} - \frac{47 z}{6} + \frac{9 z \cdot 6}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.8.2

Combine the numerators over the common denominator.

$- \frac{209}{24} + \frac{- 47 z + 9 z \cdot 6}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

$- \frac{209}{24} + \frac{- 47 z + 9 z \cdot 6}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.9

Simplify each term.

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Step 4.2.1.9.1

Simplify the numerator.

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Step 4.2.1.9.1.1

Factor $z$ out of $- 47 z + 9 z \cdot 6$ .

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Step 4.2.1.9.1.1.1

Factor $z$ out of $- 47 z$ .

$- \frac{209}{24} + \frac{z \cdot - 47 + 9 z \cdot 6}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.9.1.1.2

Factor $z$ out of $9 z \cdot 6$ .

$- \frac{209}{24} + \frac{z \cdot - 47 + z (9 \cdot 6)}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.9.1.1.3

Factor $z$ out of $z \cdot - 47 + z (9 \cdot 6)$ .

$- \frac{209}{24} + \frac{z (- 47 + 9 \cdot 6)}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

$- \frac{209}{24} + \frac{z (- 47 + 9 \cdot 6)}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.9.1.2

Multiply $9$ by $6$ .

$- \frac{209}{24} + \frac{z (- 47 + 54)}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.9.1.3

Add $- 47$ and $54$ .

$- \frac{209}{24} + \frac{z \cdot 7}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

$- \frac{209}{24} + \frac{z \cdot 7}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.2.1.9.2

Move $7$ to the left of $z$ .

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 8 y - 2 z$

Step 4.3

Replace all occurrences of $y$ in $x = - 1 - 8 y - 2 z$ with $- \frac{7}{24} - \frac{z}{6}$ .

$x = - 1 - 8 (- \frac{7}{24} - \frac{z}{6}) - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4

Simplify the right side.

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Step 4.4.1

Simplify $- 1 - 8 (- \frac{7}{24} - \frac{z}{6}) - 2 z$ .

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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.

$x = - 1 - 8 (- \frac{7}{24}) - 8 (- \frac{z}{6}) - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.1.2

Cancel the common factor of $8$ .

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Step 4.4.1.1.2.1

Move the leading negative in $- \frac{7}{24}$ into the numerator.

$x = - 1 - 8 (\frac{- 7}{24}) - 8 (- \frac{z}{6}) - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.1.2.2

Factor $8$ out of $- 8$ .

$x = - 1 + 8 (- 1) (\frac{- 7}{24}) - 8 (- \frac{z}{6}) - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.1.2.3

Factor $8$ out of $24$ .

$x = - 1 + 8 \cdot (- 1 \frac{- 7}{8 \cdot 3}) - 8 (- \frac{z}{6}) - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.1.2.4

Cancel the common factor.

$x = - 1 + 8 \cdot (- 1 \frac{- 7}{8 \cdot 3}) - 8 (- \frac{z}{6}) - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.1.2.5

Rewrite the expression.

$x = - 1 - 1 (\frac{- 7}{3}) - 8 (- \frac{z}{6}) - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 1 (\frac{- 7}{3}) - 8 (- \frac{z}{6}) - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.1.3

Cancel the common factor of $2$ .

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Step 4.4.1.1.3.1

Move the leading negative in $- \frac{z}{6}$ into the numerator.

$x = - 1 - 1 (\frac{- 7}{3}) - 8 \frac{- z}{6} - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.1.3.2

Factor $2$ out of $- 8$ .

$x = - 1 - 1 (\frac{- 7}{3}) + 2 (- 4) (\frac{- z}{6}) - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.1.3.3

Factor $2$ out of $6$ .

$x = - 1 - 1 (\frac{- 7}{3}) + 2 \cdot (- 4 \frac{- z}{2 \cdot 3}) - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.1.3.4

Cancel the common factor.

$x = - 1 - 1 (\frac{- 7}{3}) + 2 \cdot (- 4 \frac{- z}{2 \cdot 3}) - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.1.3.5

Rewrite the expression.

$x = - 1 - 1 (\frac{- 7}{3}) - 4 \frac{- z}{3} - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 - 1 (\frac{- 7}{3}) - 4 \frac{- z}{3} - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.1.4

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

$x = - 1 - 1 (\frac{- 7}{3}) + \frac{- 4 (- z)}{3} - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.1.5

Multiply $- 1$ by $- 4$ .

$x = - 1 - 1 (\frac{- 7}{3}) + \frac{4 z}{3} - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.1.6

Simplify each term.

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Step 4.4.1.1.6.1

Move the negative in front of the fraction.

$x = - 1 - 1 (- \frac{7}{3}) + \frac{4 z}{3} - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.1.6.2

Multiply $- 1 (- \frac{7}{3})$ .

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Step 4.4.1.1.6.2.1

Multiply $- 1$ by $- 1$ .

$x = - 1 + 1 (\frac{7}{3}) + \frac{4 z}{3} - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.1.6.2.2

Multiply $\frac{7}{3}$ by $1$ .

$x = - 1 + \frac{7}{3} + \frac{4 z}{3} - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 + \frac{7}{3} + \frac{4 z}{3} - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 + \frac{7}{3} + \frac{4 z}{3} - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - 1 + \frac{7}{3} + \frac{4 z}{3} - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.2

To write $- 1$ as a fraction with a common denominator, multiply by $\frac{3}{3}$ .

$x = - 1 \cdot \frac{3}{3} + \frac{7}{3} + \frac{4 z}{3} - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.3

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

$x = \frac{- 1 \cdot 3}{3} + \frac{7}{3} + \frac{4 z}{3} - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.4

Combine the numerators over the common denominator.

$x = \frac{- 1 \cdot 3 + 7}{3} + \frac{4 z}{3} - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.5

Simplify the numerator.

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Step 4.4.1.5.1

Multiply $- 1$ by $3$ .

$x = \frac{- 3 + 7}{3} + \frac{4 z}{3} - 2 z$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.5.2

Add $- 3$ and $7$ .

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

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

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

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.6

To write $- 2 z$ as a fraction with a common denominator, multiply by $\frac{3}{3}$ .

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

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.7

Combine $- 2 z$ and $\frac{3}{3}$ .

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

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.8

Combine the numerators over the common denominator.

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

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.9

Combine the numerators over the common denominator.

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

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.10

Multiply $3$ by $- 2$ .

$x = \frac{4 + 4 z - 6 z}{3}$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.11

Subtract $6 z$ from $4 z$ .

$x = \frac{4 - 2 z}{3}$

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.12

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

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Step 4.4.1.12.1

Factor $2$ out of $4$ .

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

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.12.2

Factor $2$ out of $- 2 z$ .

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

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 4.4.1.12.3

Factor $2$ out of $2 (2) + 2 (- z)$ .

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

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

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

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

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

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

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

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

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

$- \frac{209}{24} + \frac{7 z}{6} = 4$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 5

Solve for $z$ in $- \frac{209}{24} + \frac{7 z}{6} = 4$ .

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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

Add $\frac{209}{24}$ to both sides of the equation.

$\frac{7 z}{6} = 4 + \frac{209}{24}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

Step 5.1.2

To write $4$ as a fraction with a common denominator, multiply by $\frac{24}{24}$ .

$\frac{7 z}{6} = 4 \cdot \frac{24}{24} + \frac{209}{24}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

Step 5.1.3

Combine $4$ and $\frac{24}{24}$ .

$\frac{7 z}{6} = \frac{4 \cdot 24}{24} + \frac{209}{24}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

Step 5.1.4

Combine the numerators over the common denominator.

$\frac{7 z}{6} = \frac{4 \cdot 24 + 209}{24}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

Step 5.1.5

Simplify the numerator.

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Step 5.1.5.1

Multiply $4$ by $24$ .

$\frac{7 z}{6} = \frac{96 + 209}{24}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

Step 5.1.5.2

Add $96$ and $209$ .

$\frac{7 z}{6} = \frac{305}{24}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

$\frac{7 z}{6} = \frac{305}{24}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

$\frac{7 z}{6} = \frac{305}{24}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

Step 5.2

Multiply both sides of the equation by $\frac{6}{7}$ .

$\frac{6}{7} \cdot \frac{7 z}{6} = \frac{6}{7} \cdot \frac{305}{24}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

Step 5.3

Simplify both sides of the equation.

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Step 5.3.1

Simplify the left side.

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Step 5.3.1.1

Simplify $\frac{6}{7} \cdot \frac{7 z}{6}$ .

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Step 5.3.1.1.1

Cancel the common factor of $6$ .

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Step 5.3.1.1.1.1

Cancel the common factor.

$\frac{6}{7} \cdot \frac{7 z}{6} = \frac{6}{7} \cdot \frac{305}{24}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

Step 5.3.1.1.1.2

Rewrite the expression.

$\frac{1}{7} \cdot (7 z) = \frac{6}{7} \cdot \frac{305}{24}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

$\frac{1}{7} \cdot (7 z) = \frac{6}{7} \cdot \frac{305}{24}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

Step 5.3.1.1.2

Cancel the common factor of $7$ .

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Step 5.3.1.1.2.1

Factor $7$ out of $7 z$ .

$\frac{1}{7} \cdot (7 (z)) = \frac{6}{7} \cdot \frac{305}{24}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

Step 5.3.1.1.2.2

Cancel the common factor.

$\frac{1}{7} \cdot (7 z) = \frac{6}{7} \cdot \frac{305}{24}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

Step 5.3.1.1.2.3

Rewrite the expression.

$z = \frac{6}{7} \cdot \frac{305}{24}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

$z = \frac{6}{7} \cdot \frac{305}{24}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

$z = \frac{6}{7} \cdot \frac{305}{24}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

$z = \frac{6}{7} \cdot \frac{305}{24}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

Step 5.3.2

Simplify the right side.

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Step 5.3.2.1

Simplify $\frac{6}{7} \cdot \frac{305}{24}$ .

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Step 5.3.2.1.1

Cancel the common factor of $6$ .

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Step 5.3.2.1.1.1

Factor $6$ out of $24$ .

$z = \frac{6}{7} \cdot \frac{305}{6 (4)}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

Step 5.3.2.1.1.2

Cancel the common factor.

$z = \frac{6}{7} \cdot \frac{305}{6 \cdot 4}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

Step 5.3.2.1.1.3

Rewrite the expression.

$z = \frac{1}{7} \cdot \frac{305}{4}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

$z = \frac{1}{7} \cdot \frac{305}{4}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

Step 5.3.2.1.2

Multiply $\frac{1}{7}$ by $\frac{305}{4}$ .

$z = \frac{305}{7 \cdot 4}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

Step 5.3.2.1.3

Multiply $7$ by $4$ .

$z = \frac{305}{28}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

$z = \frac{305}{28}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

$z = \frac{305}{28}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

$z = \frac{305}{28}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

$z = \frac{305}{28}$

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

$y = - \frac{7}{24} - \frac{z}{6}$

Step 6

Replace all occurrences of $z$ with $\frac{305}{28}$ in each equation.

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Step 6.1

Replace all occurrences of $z$ in $x = \frac{2 (2 - z)}{3}$ with $\frac{305}{28}$ .

$x = \frac{2 (2 - (\frac{305}{28}))}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 6.2

Simplify the right side.

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Step 6.2.1

Simplify $\frac{2 (2 - (\frac{305}{28}))}{3}$ .

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Step 6.2.1.1

Simplify the numerator.

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Step 6.2.1.1.1

To write $2$ as a fraction with a common denominator, multiply by $\frac{28}{28}$ .

$x = \frac{2 (2 \cdot \frac{28}{28} - \frac{305}{28})}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 6.2.1.1.2

Combine $2$ and $\frac{28}{28}$ .

$x = \frac{2 (\frac{2 \cdot 28}{28} - \frac{305}{28})}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 6.2.1.1.3

Combine the numerators over the common denominator.

$x = \frac{2 (\frac{2 \cdot 28 - 305}{28})}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 6.2.1.1.4

Simplify the numerator.

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Step 6.2.1.1.4.1

Multiply $2$ by $28$ .

$x = \frac{2 (\frac{56 - 305}{28})}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 6.2.1.1.4.2

Subtract $305$ from $56$ .

$x = \frac{2 (\frac{- 249}{28})}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = \frac{2 (\frac{- 249}{28})}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 6.2.1.1.5

Move the negative in front of the fraction.

$x = \frac{2 \cdot (- 1 (\frac{249}{28}))}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 6.2.1.1.6

Combine exponents.

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Step 6.2.1.1.6.1

Factor out negative.

$x = \frac{- (2 (\frac{249}{28}))}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 6.2.1.1.6.2

Combine $2$ and $\frac{249}{28}$ .

$x = \frac{- \frac{2 \cdot 249}{28}}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 6.2.1.1.6.3

Multiply $2$ by $249$ .

$x = \frac{- \frac{498}{28}}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = \frac{- \frac{498}{28}}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 6.2.1.1.7

Cancel the common factor of $498$ and $28$ .

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Step 6.2.1.1.7.1

Factor $2$ out of $498$ .

$x = \frac{- \frac{2 (249)}{28}}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 6.2.1.1.7.2

Cancel the common factors.

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Step 6.2.1.1.7.2.1

Factor $2$ out of $28$ .

$x = \frac{- \frac{2 \cdot 249}{2 \cdot 14}}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 6.2.1.1.7.2.2

Cancel the common factor.

$x = \frac{- \frac{2 \cdot 249}{2 \cdot 14}}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 6.2.1.1.7.2.3

Rewrite the expression.

$x = \frac{- \frac{249}{14}}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = \frac{- \frac{249}{14}}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = \frac{- \frac{249}{14}}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = \frac{- \frac{249}{14}}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 6.2.1.2

Multiply the numerator by the reciprocal of the denominator.

$x = - \frac{249}{14} \cdot \frac{1}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 6.2.1.3

Cancel the common factor of $3$ .

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Step 6.2.1.3.1

Move the leading negative in $- \frac{249}{14}$ into the numerator.

$x = \frac{- 249}{14} \cdot \frac{1}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 6.2.1.3.2

Factor $3$ out of $- 249$ .

$x = \frac{3 (- 83)}{14} \cdot \frac{1}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 6.2.1.3.3

Cancel the common factor.

$x = \frac{3 \cdot - 83}{14} \cdot \frac{1}{3}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 6.2.1.3.4

Rewrite the expression.

$x = \frac{- 83}{14}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = \frac{- 83}{14}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 6.2.1.4

Move the negative in front of the fraction.

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{z}{6}$

Step 6.3

Replace all occurrences of $z$ in $y = - \frac{7}{24} - \frac{z}{6}$ with $\frac{305}{28}$ .

$y = - \frac{7}{24} - \frac{\frac{305}{28}}{6}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

Step 6.4

Simplify the right side.

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Step 6.4.1

Simplify $- \frac{7}{24} - \frac{\frac{305}{28}}{6}$ .

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Step 6.4.1.1

Simplify each term.

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Step 6.4.1.1.1

Multiply the numerator by the reciprocal of the denominator.

$y = - \frac{7}{24} - (\frac{305}{28} \cdot \frac{1}{6})$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

Step 6.4.1.1.2

Multiply $\frac{305}{28} \cdot \frac{1}{6}$ .

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Step 6.4.1.1.2.1

Multiply $\frac{305}{28}$ by $\frac{1}{6}$ .

$y = - \frac{7}{24} - \frac{305}{28 \cdot 6}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

Step 6.4.1.1.2.2

Multiply $28$ by $6$ .

$y = - \frac{7}{24} - \frac{305}{168}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{305}{168}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

$y = - \frac{7}{24} - \frac{305}{168}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

Step 6.4.1.2

To write $- \frac{7}{24}$ as a fraction with a common denominator, multiply by $\frac{7}{7}$ .

$y = - \frac{7}{24} \cdot \frac{7}{7} - \frac{305}{168}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

Step 6.4.1.3

Write each expression with a common denominator of $168$ , by multiplying each by an appropriate factor of $1$ .

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Step 6.4.1.3.1

Multiply $\frac{7}{24}$ by $\frac{7}{7}$ .

$y = - \frac{7 \cdot 7}{24 \cdot 7} - \frac{305}{168}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

Step 6.4.1.3.2

Multiply $24$ by $7$ .

$y = - \frac{7 \cdot 7}{168} - \frac{305}{168}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

$y = - \frac{7 \cdot 7}{168} - \frac{305}{168}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

Step 6.4.1.4

Combine the numerators over the common denominator.

$y = \frac{- 7 \cdot 7 - 305}{168}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

Step 6.4.1.5

Simplify the numerator.

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Step 6.4.1.5.1

Multiply $- 7$ by $7$ .

$y = \frac{- 49 - 305}{168}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

Step 6.4.1.5.2

Subtract $305$ from $- 49$ .

$y = \frac{- 354}{168}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

$y = \frac{- 354}{168}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

Step 6.4.1.6

Cancel the common factor of $- 354$ and $168$ .

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Step 6.4.1.6.1

Factor $6$ out of $- 354$ .

$y = \frac{6 (- 59)}{168}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

Step 6.4.1.6.2

Cancel the common factors.

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Step 6.4.1.6.2.1

Factor $6$ out of $168$ .

$y = \frac{6 \cdot - 59}{6 \cdot 28}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

Step 6.4.1.6.2.2

Cancel the common factor.

$y = \frac{6 \cdot - 59}{6 \cdot 28}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

Step 6.4.1.6.2.3

Rewrite the expression.

$y = \frac{- 59}{28}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

$y = \frac{- 59}{28}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

$y = \frac{- 59}{28}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

Step 6.4.1.7

Move the negative in front of the fraction.

$y = - \frac{59}{28}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

$y = - \frac{59}{28}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

$y = - \frac{59}{28}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

$y = - \frac{59}{28}$

$x = - \frac{83}{14}$

$z = \frac{305}{28}$

Step 7

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

$(- \frac{83}{14}, - \frac{59}{28}, \frac{305}{28})$

Step 8

The result can be shown in multiple forms.

Point Form:

$(- \frac{83}{14}, - \frac{59}{28}, \frac{305}{28})$

Equation Form:

$x = - \frac{83}{14}, y = - \frac{59}{28}, z = \frac{305}{28}$