15+2r-4=9r+11-7r

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Solution for 15+2r-4=9r+11-7r equation:


15+2r-4=9r+11-7r

We simplify the equation to the form, which is simple to understand 
15+2r-4=9r+11-7r

We move all terms containing r to the left and all other terms to the right. 
+2r-9r+7r=+11-15+4

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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