3y-12=6y+18

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Solution for 3y-12=6y+18 equation: 



3y-12=6y+18

We move all terms to the left:

3y-12-(6y+18)=0

We get rid of parentheses

3y-6y-18-12=0

We add all the numbers together, and all the variables

-3y-30=0

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

-3y=30

y=30/-3

y=-10

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