Pre-Algebra Examples

$8 x - 5 y - x + 9 - y$

Step 1

Subtract $x$ from $8 x$ .

$7 x - 5 y + 9 - y$

Step 2

Subtract $y$ from $- 5 y$ .

$7 x - 6 y + 9$

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