12+12y+3=-15+9y

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Solution for 12+12y+3=-15+9y equation: 



12+12y+3=-15+9y

We move all terms to the left:

12+12y+3-(-15+9y)=0

We add all the numbers together, and all the variables

12y-(9y-15)+12+3=0

We add all the numbers together, and all the variables

12y-(9y-15)+15=0

We get rid of parentheses

12y-9y+15+15=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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