12-7y=3y-18

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Solution for 12-7y=3y-18 equation: 



12-7y=3y-18

We move all terms to the left:

12-7y-(3y-18)=0

We get rid of parentheses

-7y-3y+18+12=0

We add all the numbers together, and all the variables

-10y+30=0

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

-10y=-30

y=-30/-10

y=+3

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