9y+42=3y

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Solution for 9y+42=3y equation: 



9y+42=3y

We move all terms to the left:

9y+42-(3y)=0

We add all the numbers together, and all the variables

6y+42=0

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

6y=-42

y=-42/6

y=-7

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