SOLUTION: Perform the indicated operations and simplify y-7 over y-9 minus y+1 over y+9 plus y-45 over y^2 -81

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Question 466887: Perform the indicated operations and simplify
y-7 over y-9 minus y+1 over y+9 plus y-45 over y^2 -81
Answer by Big Poop(157) About Me  (Show Source):