Pre-Algebra Examples

$x + 9 = 13$

Step 1

Subtract $9$ from both sides of the equation.

$x = 13 - 9$

Step 2

Subtract $9$ from $13$ .

$x = 4$

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