Algebra Examples

$2 a - 1 - 7 b + 4 a - b + 13$

Step 1

Add $2 a$ and $4 a$ .

$6 a - 1 - 7 b - b + 13$

Step 2

Add $- 1$ and $13$ .

$6 a - 7 b - b + 12$

Step 3

Subtract $b$ from $- 7 b$ .

$6 a - 8 b + 12$

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