-7m=18+2m

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Solution for -7m=18+2m equation: 



-7m=18+2m

We move all terms to the left:

-7m-(18+2m)=0

We add all the numbers together, and all the variables

-7m-(2m+18)=0

We get rid of parentheses

-7m-2m-18=0

We add all the numbers together, and all the variables

-9m-18=0

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

-9m=18

m=18/-9

m=-2

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