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Pre-Algebra Examples

Popular Problems

Evaluate -2-(-9)

$- 2 - (- 9)$

Step 1

Multiply $- 1$ by $- 9$ .

$- 2 + 9$

Step 2

Add $- 2$ and $9$ .

$7$

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

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