7(r+7)=91

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Solution for 7(r+7)=91 equation:


7(r+7)=91

We simplify the equation to the form, which is simple to understand 
7(r+7)=91

Reorder the terms in parentheses
+(+7r+49)=91

Remove unnecessary parentheses
+7r+49=+91

We move all terms containing r to the left and all other terms to the right. 
+7r=+91-49

We simplify left and right side of the equation. 
+7r=+42

We divide both sides of the equation by 7 to get r. 
r=6

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