2y=6y+21

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Solution for 2y=6y+21 equation: 



2y=6y+21

We move all terms to the left:

2y-(6y+21)=0

We get rid of parentheses

2y-6y-21=0

We add all the numbers together, and all the variables

-4y-21=0

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

-4y=21

y=21/-4

y=-5+1/4

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