12r-12=11+12r-15

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Solution for 12r-12=11+12r-15 equation: 



12r-12=11+12r-15

We move all terms to the left:

12r-12-(11+12r-15)=0

We add all the numbers together, and all the variables

12r-(12r-4)-12=0

We get rid of parentheses

12r-12r+4-12=0

We add all the numbers together, and all the variables

-8!=0

There is no solution for this equation

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