-1+7m=3+8m

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Solution for -1+7m=3+8m equation: 



-1+7m=3+8m

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

7m-8m-3-1=0

We add all the numbers together, and all the variables

-1m-4=0

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

-m=4

m=4/-1

m=-4

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