8-7m=-83

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Solution for 8-7m=-83 equation: 



8-7m=-83

We move all terms to the left:

8-7m-(-83)=0

We add all the numbers together, and all the variables

-7m+91=0

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

-7m=-91

m=-91/-7

m=+13

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