3m+8=-20-m

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



3m+8=-20-m

We move all terms to the left:

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

We add all the numbers together, and all the variables

3m-(-1m-20)+8=0

We get rid of parentheses

3m+1m+20+8=0

We add all the numbers together, and all the variables

4m+28=0

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

4m=-28

m=-28/4

m=-7

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