Basic Math Examples

$- 20 y + 28 + 15 y - 21$

Step 1

Add $- 20 y$ and $15 y$ .

$- 5 y + 28 - 21$

Step 2

Subtract $21$ from $28$ .

$- 5 y + 7$

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