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Pre-Algebra Examples

Popular Problems

Solve for x x-9=12

$x - 9 = 12$

Step 1

Add $9$ to both sides of the equation.

$x = 12 + 9$

Step 2

Add $12$ and $9$ .

$x = 21$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$

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