4m+12=7m-15

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Solution for 4m+12=7m-15 equation: 



4m+12=7m-15

We move all terms to the left:

4m+12-(7m-15)=0

We get rid of parentheses

4m-7m+15+12=0

We add all the numbers together, and all the variables

-3m+27=0

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

-3m=-27

m=-27/-3

m=+9

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