-9r=-9r+4

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Solution for -9r=-9r+4 equation:


-9r=-9r+4

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

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

We simplify left and right side of the equation. 
r=+4

0=4

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

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