-3(y+2)=-21

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



-3(y+2)=-21

We move all terms to the left:

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

We add all the numbers together, and all the variables

-3(y+2)+21=0

We multiply parentheses

-3y-6+21=0

We add all the numbers together, and all the variables

-3y+15=0

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

-3y=-15

y=-15/-3

y=+5

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