Pre-Algebra Examples

$f (x) = 9 (x + 5) + 2$

Step 1

Rewrite the function as an equation.

$y = 9 (x + 5) + 2$

Step 2

Simplify $9 (x + 5) + 2$ .

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Step 2.1

Simplify each term.

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Step 2.1.1

Apply the distributive property.

$y = 9 x + 9 \cdot 5 + 2$

Step 2.1.2

Multiply $9$ by $5$ .

$y = 9 x + 45 + 2$

$y = 9 x + 45 + 2$

Step 2.2

Add $45$ and $2$ .

$y = 9 x + 47$

$y = 9 x + 47$

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