Pre-Algebra Examples

$18 - (- 15) - 3 - (- 5) + 2$

Step 1

Simplify each term.

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Step 1.1

Multiply $- 1$ by $- 15$ .

$18 + 15 - 3 - (- 5) + 2$

Step 1.2

Multiply $- 1$ by $- 5$ .

$18 + 15 - 3 + 5 + 2$

$18 + 15 - 3 + 5 + 2$

Step 2

Simplify by adding and subtracting.

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Step 2.1

Add $18$ and $15$ .

$33 - 3 + 5 + 2$

Step 2.2

Subtract $3$ from $33$ .

$30 + 5 + 2$

Step 2.3

Add $30$ and $5$ .

$35 + 2$

Step 2.4

Add $35$ and $2$ .

$37$

$37$

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