(3m-4)=21

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Solution for (3m-4)=21 equation: 



(3m-4)=21

We move all terms to the left:

(3m-4)-(21)=0

We get rid of parentheses

3m-4-21=0

We add all the numbers together, and all the variables

3m-25=0

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

3m=25

m=25/3

m=8+1/3

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