7-2m=8m-(-4m)

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Solution for 7-2m=8m-(-4m) equation: 



7-2m=8m-(-4m)

We move all terms to the left:

7-2m-(8m-(-4m))=0



We calculate terms in parentheses: -(8m-(-4m)), so:

8m-(-4m)

We get rid of parentheses

8m+4m

We add all the numbers together, and all the variables

12m

Back to the equation:

-(12m)



We add all the numbers together, and all the variables

-14m+7=0

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

-14m=-7

m=-7/-14

m=1/2

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