3.5m=21.

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Solution for 3.5m=21. equation: 



3.5m=21.

We move all terms to the left:

3.5m-(21.)=0

We add all the numbers together, and all the variables

3.5m-21=0

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

3.5m=21

m=21/3.5

m=6

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