-3y-9=-81

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Solution for -3y-9=-81 equation: 



-3y-9=-81

We move all terms to the left:

-3y-9-(-81)=0

We add all the numbers together, and all the variables

-3y+72=0

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

-3y=-72

y=-72/-3

y=+24

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