3y-9=2y-12

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Solution for 3y-9=2y-12 equation: 



3y-9=2y-12

We move all terms to the left:

3y-9-(2y-12)=0

We get rid of parentheses

3y-2y+12-9=0

We add all the numbers together, and all the variables

y+3=0

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

y=-3

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