Pre-Algebra Examples

$z - 40 = 67$

Step 1

Add $40$ to both sides of the equation.

$z = 67 + 40$

Step 2

Add $67$ and $40$ .

$z = 107$

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