Basic Math Examples

$5 x - 9 + (- 7 x + 4)$

Step 1

Remove parentheses.

$5 x - 9 - 7 x + 4$

Step 2

Subtract $7 x$ from $5 x$ .

$- 2 x - 9 + 4$

Step 3

Add $- 9$ and $4$ .

$- 2 x - 5$

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