Algebra Examples

$y = \frac{x}{2} + 9$ , $x = - 12$

Step 1

Replace all occurrences of $x$ in $y = \frac{x}{2} + 9$ with $- 12$ .

$y = \frac{- 12}{2} + 9$

$x = - 12$

Step 2

Simplify the right side.

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Step 2.1

Simplify $\frac{- 12}{2} + 9$ .

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Step 2.1.1

Divide $- 12$ by $2$ .

$y = - 6 + 9$

$x = - 12$

Step 2.1.2

Add $- 6$ and $9$ .

$y = 3$

$x = - 12$

$y = 3$

$x = - 12$

$y = 3$

$x = - 12$