Pre-Algebra Examples

$5 - 4 - (- 9) - 13$

Step 1

Multiply $- 1$ by $- 9$ .

$5 - 4 + 9 - 13$

Step 2

Subtract $4$ from $5$ .

$1 + 9 - 13$

Step 3

Add $1$ and $9$ .

$10 - 13$

Step 4

Subtract $13$ from $10$ .

$- 3$

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