Basic Math Examples

$7 - 9 - 3 - (- 9)$

Step 1

Multiply $- 1$ by $- 9$ .

$7 - 9 - 3 + 9$

Step 2

Subtract $9$ from $7$ .

$- 2 - 3 + 9$

Step 3

Subtract $3$ from $- 2$ .

$- 5 + 9$

Step 4

Add $- 5$ and $9$ .

$4$

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