4y-12-2y=9=0

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Solution for 4y-12-2y=9=0 equation: 



4y-12-2y=9=0

We move all terms to the left:

4y-12-2y-(9)=0

We add all the numbers together, and all the variables

2y-21=0

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

2y=21

y=21/2

y=10+1/2

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