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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