4m+12=20

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Solution for 4m+12=20 equation: 



4m+12=20

We move all terms to the left:

4m+12-(20)=0

We add all the numbers together, and all the variables

4m-8=0

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

4m=8

m=8/4

m=2

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