-7m-20=6-m-8m

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Solution for -7m-20=6-m-8m equation: 



-7m-20=6-m-8m

We move all terms to the left:

-7m-20-(6-m-8m)=0

We add all the numbers together, and all the variables

-7m-(-9m+6)-20=0

We get rid of parentheses

-7m+9m-6-20=0

We add all the numbers together, and all the variables

2m-26=0

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

2m=26

m=26/2

m=13

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