Basic Math Examples

$4 r - 8 r + 7 + r$

Step 1

Subtract $8 r$ from $4 r$ .

$- 4 r + 7 + r$

Step 2

Add $- 4 r$ and $r$ .

$- 3 r + 7$

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