Pre-Algebra Examples

$5 + 2 (3 n + 4) - n$

Step 1

Simplify each term.

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Step 1.1

Apply the distributive property.

$5 + 2 (3 n) + 2 \cdot 4 - n$

Step 1.2

Multiply $3$ by $2$ .

$5 + 6 n + 2 \cdot 4 - n$

Step 1.3

Multiply $2$ by $4$ .

$5 + 6 n + 8 - n$

$5 + 6 n + 8 - n$

Step 2

Simplify by adding terms.

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Step 2.1

Add $5$ and $8$ .

$6 n + 13 - n$

Step 2.2

Subtract $n$ from $6 n$ .

$5 n + 13$

$5 n + 13$

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