Finite Math Examples

$- 24 = 5 r + 3 r$

Step 1

Rewrite the equation as $5 r + 3 r = - 24$ .

$5 r + 3 r = - 24$

Step 2

Add $5 r$ and $3 r$ .

$8 r = - 24$

Step 3

Divide each term in $8 r = - 24$ by $8$ and simplify.

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Step 3.1

Divide each term in $8 r = - 24$ by $8$ .

$\frac{8 r}{8} = \frac{- 24}{8}$

Step 3.2

Simplify the left side.

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Step 3.2.1

Cancel the common factor of $8$ .

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Step 3.2.1.1

Cancel the common factor.

$\frac{8 r}{8} = \frac{- 24}{8}$

Step 3.2.1.2

Divide $r$ by $1$ .

$r = \frac{- 24}{8}$

Step 3.3

Simplify the right side.

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Step 3.3.1

Divide $- 24$ by $8$ .

$r = - 3$