7(2r-4)-7r=7r-28

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Solution for 7(2r-4)-7r=7r-28 equation:


7(2r-4)-7r=7r-28

We simplify the equation to the form, which is simple to understand 
7(2r-4)-7r=7r-28

Reorder the terms in parentheses
+(+14r-28)-7r=7r-28

Remove unnecessary parentheses
+14r-28-7r=+7r-28

We move all terms containing r to the left and all other terms to the right. 
+14r-7r-7r=-28+28

We simplify left and right side of the equation. 
r=0

0=0

This equation is an identity, so all real numbers are solutions.

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