3(-2g-3)=-21

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



3(-2g-3)=-21

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-6g-9+21=0

We add all the numbers together, and all the variables

-6g+12=0

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

-6g=-12

g=-12/-6

g=+2

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