2m+8=-1

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Solution for 2m+8=-1 equation: 



2m+8=-1

We move all terms to the left:

2m+8-(-1)=0

We add all the numbers together, and all the variables

2m+9=0

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

2m=-9

m=-9/2

m=-4+1/2

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