Simplify 9-18÷(3^2)

$9 - 18 \div 3^{2}$

Step 1

Simplify each term.

Rewrite the division as a fraction.

$9 - \frac{18}{3^{2}}$

Raise $3$ to the power of $2$ .

$9 - \frac{18}{9}$

Divide $18$ by $9$ .

$9 - 1 \cdot 2$

Multiply $- 1$ by $2$ .

$9 - 2$

$9 - 2$

Step 2

Subtract $2$ from $9$ .

$7$

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