-7m+2=-8m-7

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



-7m+2=-8m-7

We move all terms to the left:

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

m+9=0

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

m=-9

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