Basic Math Examples

$- r + 8 + (5 r - 1)$

Step 1

Remove parentheses.

$- r + 8 + 5 r - 1$

Step 2

Add $- r$ and $5 r$ .

$4 r + 8 - 1$

Step 3

Subtract $1$ from $8$ .

$4 r + 7$

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