12y+8=9y-20

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Solution for 12y+8=9y-20 equation: 



12y+8=9y-20

We move all terms to the left:

12y+8-(9y-20)=0

We get rid of parentheses

12y-9y+20+8=0

We add all the numbers together, and all the variables

3y+28=0

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

3y=-28

y=-28/3

y=-9+1/3

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