7(r-3)=2(r-9)+2r

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Solution for 7(r-3)=2(r-9)+2r equation:


7(r-3)=2(r-9)+2r

We simplify the equation to the form, which is simple to understand 
7(r-3)=2(r-9)+2r

Reorder the terms in parentheses
+(+7r-21)=2*(r-9)+2r

Remove unnecessary parentheses
+7r-21=+2+*(+r-9+)+2r

Reorder the terms in parentheses
+7r-21=+(+2r-18)+2r

Remove unnecessary parentheses
+7r-21=+2r-18+2r

We move all terms containing r to the left and all other terms to the right. 
+7r-2r-2r=-18+21

We simplify left and right side of the equation. 
+3r=+3

We divide both sides of the equation by 3 to get r. 
r=1

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