2m+8=-7-m

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Solution for 2m+8=-7-m equation: 



2m+8=-7-m

We move all terms to the left:

2m+8-(-7-m)=0

We add all the numbers together, and all the variables

2m-(-1m-7)+8=0

We get rid of parentheses

2m+1m+7+8=0

We add all the numbers together, and all the variables

3m+15=0

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

3m=-15

m=-15/3

m=-5

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