3y-12=42-6y

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Solution for 3y-12=42-6y equation: 



3y-12=42-6y

We move all terms to the left:

3y-12-(42-6y)=0

We add all the numbers together, and all the variables

3y-(-6y+42)-12=0

We get rid of parentheses

3y+6y-42-12=0

We add all the numbers together, and all the variables

9y-54=0

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

9y=54

y=54/9

y=6

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