-7m+12-3m=-18

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Solution for -7m+12-3m=-18 equation: 



-7m+12-3m=-18

We move all terms to the left:

-7m+12-3m-(-18)=0

We add all the numbers together, and all the variables

-10m+30=0

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

-10m=-30

m=-30/-10

m=+3

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