-8m+7=-9

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Solution for -8m+7=-9 equation: 



-8m+7=-9

We move all terms to the left:

-8m+7-(-9)=0

We add all the numbers together, and all the variables

-8m+16=0

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

-8m=-16

m=-16/-8

m=+2

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