Pre-Algebra Examples

$a + b - 9 = P$

Step 1

Subtract $b$ from both sides of the equation.

$a - 9 = P - b$

Step 2

Add $9$ to both sides of the equation.

$a = P - b + 9$

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