Algebra Examples

$7 a - 9 b + 6 a - 4 b$

Step 1

Add $7 a$ and $6 a$ .

$13 a - 9 b - 4 b$

Step 2

Subtract $4 b$ from $- 9 b$ .

$13 a - 13 b$

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