Pre-Algebra Examples

$5 x + 7 + x - 9 x$

Step 1

Add $5 x$ and $x$ .

$6 x + 7 - 9 x$

Step 2

Subtract $9 x$ from $6 x$ .

$- 3 x + 7$

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