3m+6m+2m=21

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Solution for 3m+6m+2m=21 equation: 



3m+6m+2m=21

We move all terms to the left:

3m+6m+2m-(21)=0

We add all the numbers together, and all the variables

11m-21=0

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

11m=21

m=21/11

m=1+10/11

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