Pre-Algebra Examples

$7 - x + 3 x - 2 - 9 x$

Step 1

Subtract $2$ from $7$ .

$- x + 3 x + 5 - 9 x$

Step 2

Add $- x$ and $3 x$ .

$2 x + 5 - 9 x$

Step 3

Subtract $9 x$ from $2 x$ .

$- 7 x + 5$

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