3(g-2)=21

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Solution for 3(g-2)=21 equation: 



3(g-2)=21

We move all terms to the left:

3(g-2)-(21)=0

We multiply parentheses

3g-6-21=0

We add all the numbers together, and all the variables

3g-27=0

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

3g=27

g=27/3

g=9

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