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Pre-Algebra Examples

Popular Problems

Simplify -9r+10r

$- 9 r + 10 r$

Step 1

Add $- 9 r$ and $10 r$ .

$r$

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

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