12y+7=9y-12

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Solution for 12y+7=9y-12 equation: 



12y+7=9y-12

We move all terms to the left:

12y+7-(9y-12)=0

We get rid of parentheses

12y-9y+12+7=0

We add all the numbers together, and all the variables

3y+19=0

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

3y=-19

y=-19/3

y=-6+1/3

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