-3(1/2y-1)=9

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Solution for -3(1/2y-1)=9 equation: 



-3(1/2y-1)=9

We move all terms to the left:

-3(1/2y-1)-(9)=0



Domain of the equation: 2y-1)!=0

y∈R



We multiply parentheses

-3y+3-9=0

We add all the numbers together, and all the variables

-3y-6=0

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

-3y=6

y=6/-3

y=-2

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