-20y-9=31

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Solution for -20y-9=31 equation: 



-20y-9=31

We move all terms to the left:

-20y-9-(31)=0

We add all the numbers together, and all the variables

-20y-40=0

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

-20y=40

y=40/-20

y=-2

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