-96=-3(3+7r)

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Solution for -96=-3(3+7r) equation:


-96=-3(3+7r)

We simplify the equation to the form, which is simple to understand 
-96=-3(3+7r)

Reorder the terms in parentheses
-96=+(-9-21r)

Remove unnecessary parentheses
-96=-9-21r

We move all terms containing r to the left and all other terms to the right. 
+21r=-9+96

We simplify left and right side of the equation. 
+21r=+87

We divide both sides of the equation by 021 to get r. 
r=4.1428571428571

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