Basic Math Examples

$- a - 9 + a - 18$

Step 1

Add $- a$ and $a$ .

$0 - 9 - 18$

Step 2

Subtract $9$ from $0$ .

$- 9 - 18$

Step 3

Subtract $18$ from $- 9$ .

$- 27$

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