3(2m-5)=21

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Solution for 3(2m-5)=21 equation: 



3(2m-5)=21

We move all terms to the left:

3(2m-5)-(21)=0

We multiply parentheses

6m-15-21=0

We add all the numbers together, and all the variables

6m-36=0

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

6m=36

m=36/6

m=6

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