4m+8=7m-13

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Solution for 4m+8=7m-13 equation: 



4m+8=7m-13

We move all terms to the left:

4m+8-(7m-13)=0

We get rid of parentheses

4m-7m+13+8=0

We add all the numbers together, and all the variables

-3m+21=0

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

-3m=-21

m=-21/-3

m=+7

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