12y+9=-11+18y-4y

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Solution for 12y+9=-11+18y-4y equation: 



12y+9=-11+18y-4y

We move all terms to the left:

12y+9-(-11+18y-4y)=0

We add all the numbers together, and all the variables

12y-(14y-11)+9=0

We get rid of parentheses

12y-14y+11+9=0

We add all the numbers together, and all the variables

-2y+20=0

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

-2y=-20

y=-20/-2

y=+10

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