9r-7=9r+7

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Solution for 9r-7=9r+7 equation:


9r-7=9r+7

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

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

We simplify left and right side of the equation. 
r=+14

0=14

The left and right sides are not equal, therefore there is no solution. This equation is invalid.

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