Pre-Algebra Examples

$3 (16 - 9) + 12 \div 3$

Step 1

Simplify each term.

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Step 1.1

Subtract $9$ from $16$ .

$3 \cdot 7 + 12 \div 3$

Step 1.2

Multiply $3$ by $7$ .

$21 + 12 \div 3$

Step 1.3

Divide $12$ by $3$ .

$21 + 4$

$21 + 4$

Step 2

Add $21$ and $4$ .

$25$

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