-(1-3m)-8m=-7-8m

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Solution for -(1-3m)-8m=-7-8m equation: 



-(1-3m)-8m=-7-8m

We move all terms to the left:

-(1-3m)-8m-(-7-8m)=0

We add all the numbers together, and all the variables

-(-3m+1)-8m-(-8m-7)=0

We add all the numbers together, and all the variables

-8m-(-3m+1)-(-8m-7)=0

We get rid of parentheses

-8m+3m+8m-1+7=0

We add all the numbers together, and all the variables

3m+6=0

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

3m=-6

m=-6/3

m=-2

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