-3=6m+7+8

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Solution for -3=6m+7+8 equation: 



-3=6m+7+8

We move all terms to the left:

-3-(6m+7+8)=0

We add all the numbers together, and all the variables

-(6m+15)-3=0

We get rid of parentheses

-6m-15-3=0

We add all the numbers together, and all the variables

-6m-18=0

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

-6m=18

m=18/-6

m=-3

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