3(6y+7)=21

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Solution for 3(6y+7)=21 equation: 



3(6y+7)=21

We move all terms to the left:

3(6y+7)-(21)=0

We multiply parentheses

18y+21-21=0

We add all the numbers together, and all the variables

18y=0

y=0/18

y=0

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