18=-3y+-12

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



18=-3y+-12

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

3y+12+18=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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