3g-7=3(7-g)

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Solution for 3g-7=3(7-g) equation: 



3g-7=3(7-g)

We move all terms to the left:

3g-7-(3(7-g))=0

We add all the numbers together, and all the variables

3g-(3(-1g+7))-7=0



We calculate terms in parentheses: -(3(-1g+7)), so:

3(-1g+7)

We multiply parentheses

-3g+21

Back to the equation:

-(-3g+21)



We get rid of parentheses

3g+3g-21-7=0

We add all the numbers together, and all the variables

6g-28=0

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

6g=28

g=28/6

g=4+2/3

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