Pre-Algebra Examples

$- 5 - (18 - 7) + 9$

Step 1

Simplify each term.

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Step 1.1

Subtract $7$ from $18$ .

$- 5 - 1 \cdot 11 + 9$

Step 1.2

Multiply $- 1$ by $11$ .

$- 5 - 11 + 9$

$- 5 - 11 + 9$

Step 2

Simplify by adding and subtracting.

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Step 2.1

Subtract $11$ from $- 5$ .

$- 16 + 9$

Step 2.2

Add $- 16$ and $9$ .

$- 7$

$- 7$

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