4m+7+2=21

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Solution for 4m+7+2=21 equation: 



4m+7+2=21

We move all terms to the left:

4m+7+2-(21)=0

We add all the numbers together, and all the variables

4m-12=0

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

4m=12

m=12/4

m=3

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