-5y+2(y-3)=21

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Solution for -5y+2(y-3)=21 equation: 



-5y+2(y-3)=21

We move all terms to the left:

-5y+2(y-3)-(21)=0

We multiply parentheses

-5y+2y-6-21=0

We add all the numbers together, and all the variables

-3y-27=0

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

-3y=27

y=27/-3

y=-9

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