-2(y+1)=9

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Solution for -2(y+1)=9 equation: 



-2(y+1)=9

We move all terms to the left:

-2(y+1)-(9)=0

We multiply parentheses

-2y-2-9=0

We add all the numbers together, and all the variables

-2y-11=0

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

-2y=11

y=11/-2

y=-5+1/2

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