-3m-20-20=12m+20

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Solution for -3m-20-20=12m+20 equation: 



-3m-20-20=12m+20

We move all terms to the left:

-3m-20-20-(12m+20)=0

We add all the numbers together, and all the variables

-3m-(12m+20)-40=0

We get rid of parentheses

-3m-12m-20-40=0

We add all the numbers together, and all the variables

-15m-60=0

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

-15m=60

m=60/-15

m=-4

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