-3m+8=m+20

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Solution for -3m+8=m+20 equation: 



-3m+8=m+20

We move all terms to the left:

-3m+8-(m+20)=0

We get rid of parentheses

-3m-m-20+8=0

We add all the numbers together, and all the variables

-4m-12=0

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

-4m=12

m=12/-4

m=-3

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