SOLUTION: My math question is: 9-y over y-9 = ? It says to simplify by removing factors of 1. Isn't the answer -1?

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Question 191674: My math question is: 9-y over y-9 = ? It says to simplify by removing factors of 1. Isn't the answer -1?
Found 2 solutions by jim_thompson5910, Mathtut:
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
You are correct. %289-y%29%2F%28y-9%29=-1 where y%3C%3E9

Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
%28-1%29%28y-9%29%2F%28y-9%29
:
%28-1%29cross%28%28y-9%29%29%2Fcross%28%28y-9%29%29
:
-1 .........is correct