3(y+1)=-3y-15

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Solution for 3(y+1)=-3y-15 equation: 



3(y+1)=-3y-15

We move all terms to the left:

3(y+1)-(-3y-15)=0

We multiply parentheses

3y-(-3y-15)+3=0

We get rid of parentheses

3y+3y+15+3=0

We add all the numbers together, and all the variables

6y+18=0

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

6y=-18

y=-18/6

y=-3

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