-7m-12=28

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Solution for -7m-12=28 equation: 



-7m-12=28

We move all terms to the left:

-7m-12-(28)=0

We add all the numbers together, and all the variables

-7m-40=0

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

-7m=40

m=40/-7

m=-5+5/7

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