2m+m=-42

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Solution for 2m+m=-42 equation: 



2m+m=-42

We move all terms to the left:

2m+m-(-42)=0

We add all the numbers together, and all the variables

3m+42=0

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

3m=-42

m=-42/3

m=-14

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