12(y-1)=9

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Solution for 12(y-1)=9 equation: 



12(y-1)=9

We move all terms to the left:

12(y-1)-(9)=0

We multiply parentheses

12y-12-9=0

We add all the numbers together, and all the variables

12y-21=0

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

12y=21

y=21/12

y=1+3/4

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