9+2m=-7

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Solution for 9+2m=-7 equation: 



9+2m=-7

We move all terms to the left:

9+2m-(-7)=0

We add all the numbers together, and all the variables

2m+16=0

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

2m=-16

m=-16/2

m=-8

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