2-2.5y-y=9

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Solution for 2-2.5y-y=9 equation: 



2-2.5y-y=9

We move all terms to the left:

2-2.5y-y-(9)=0

We add all the numbers together, and all the variables

-3.5y-7=0

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

-3.5y=7

y=7/-3.5

y=-2

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