-8m+7-3m=-9m-7

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Solution for -8m+7-3m=-9m-7 equation: 



-8m+7-3m=-9m-7

We move all terms to the left:

-8m+7-3m-(-9m-7)=0

We add all the numbers together, and all the variables

-11m-(-9m-7)+7=0

We get rid of parentheses

-11m+9m+7+7=0

We add all the numbers together, and all the variables

-2m+14=0

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

-2m=-14

m=-14/-2

m=+7

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