-8(7m-20)+20=4m

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Solution for -8(7m-20)+20=4m equation: 



-8(7m-20)+20=4m

We move all terms to the left:

-8(7m-20)+20-(4m)=0

We add all the numbers together, and all the variables

-4m-8(7m-20)+20=0

We multiply parentheses

-4m-56m+160+20=0

We add all the numbers together, and all the variables

-60m+180=0

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

-60m=-180

m=-180/-60

m=+3

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