-15+12m=-20+11m-7

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Solution for -15+12m=-20+11m-7 equation: 



-15+12m=-20+11m-7

We move all terms to the left:

-15+12m-(-20+11m-7)=0

We add all the numbers together, and all the variables

12m-(11m-27)-15=0

We get rid of parentheses

12m-11m+27-15=0

We add all the numbers together, and all the variables

m+12=0

We move all terms containing m to the left, all other terms to the right

m=-12

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