(Y+1)(y-1)=8

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Solution for (Y+1)(y-1)=8 equation: 



(+1)(Y-1)=8

We move all terms to the left:

(+1)(Y-1)-(8)=0

We add all the numbers together, and all the variables

1(Y-1)-8=0

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

1(Y-1)=8

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