3(2g+7)=3(4g+21)

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Solution for 3(2g+7)=3(4g+21) equation: 



3(2g+7)=3(4g+21)

We move all terms to the left:

3(2g+7)-(3(4g+21))=0

We multiply parentheses

6g-(3(4g+21))+21=0



We calculate terms in parentheses: -(3(4g+21)), so:

3(4g+21)

We multiply parentheses

12g+63

Back to the equation:

-(12g+63)



We get rid of parentheses

6g-12g-63+21=0

We add all the numbers together, and all the variables

-6g-42=0

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

-6g=42

g=42/-6

g=-7

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