3m=m-4

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Solution for 3m=m-4 equation: 



3m=m-4

We move all terms to the left:

3m-(m-4)=0

We get rid of parentheses

3m-m+4=0

We add all the numbers together, and all the variables

2m+4=0

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

2m=-4

m=-4/2

m=-2

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