-2m=-3+7

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Solution for -2m=-3+7 equation: 



-2m=-3+7

We move all terms to the left:

-2m-(-3+7)=0

We add all the numbers together, and all the variables

-2m-4=0

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

-2m=4

m=4/-2

m=-2

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