-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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