3m-20=m+40

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Solution for 3m-20=m+40 equation: 



3m-20=m+40

We move all terms to the left:

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

We get rid of parentheses

3m-m-40-20=0

We add all the numbers together, and all the variables

2m-60=0

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

2m=60

m=60/2

m=30

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