3(7r-7)=-6r+6r

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Solution for 3(7r-7)=-6r+6r equation:


3(7r-7)=-6r+6r

We simplify the equation to the form, which is simple to understand 
3(7r-7)=-6r+6r

Reorder the terms in parentheses
+(+21r-21)=-6r+6r

Remove unnecessary parentheses
+21r-21=-6r+6r

We move all terms containing r to the left and all other terms to the right. 
+21r+6r-6r=+21

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

We divide both sides of the equation by 21 to get r. 
r=1

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