y-7y+9=30

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Solution for y-7y+9=30 equation: 



y-7y+9=30

We move all terms to the left:

y-7y+9-(30)=0

We add all the numbers together, and all the variables

-6y-21=0

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

-6y=21

y=21/-6

y=-3+1/2

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