Pre-Algebra Examples

$15 - 12 \div (- 4)$

Step 1

Simplify each term.

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Step 1.1

Divide $12$ by $- 4$ .

$15 - - 3$

Step 1.2

Multiply $- 1$ by $- 3$ .

$15 + 3$

$15 + 3$

Step 2

Add $15$ and $3$ .

$18$

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