2y-9=9y+40

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Solution for 2y-9=9y+40 equation: 



2y-9=9y+40

We move all terms to the left:

2y-9-(9y+40)=0

We get rid of parentheses

2y-9y-40-9=0

We add all the numbers together, and all the variables

-7y-49=0

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

-7y=49

y=49/-7

y=-7

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