SOLUTION: I need to solve y-7/y-9 - 2/y-9 this is just pratice problems to try to improve my skills.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I need to solve y-7/y-9 - 2/y-9 this is just pratice problems to try to improve my skills.       Log On


   

Question 185632: I need to solve y-7/y-9 - 2/y-9 this is just pratice problems to try to improve my skills.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
%28y-7%29%2F%28y-9%29+-+2%2F%28y-9%29 Start with the given expression.


Since the fractions have equal denominators, we can combine the fractions.


%28y-7-2%29%2F%28y-9%29 Subtract the fractions.


%28y-9%29%2F%28y-9%29 Combine like terms.


cross%28%28y-9%29%29%2Fcross%28%28y-9%29%29 Cancel out the common terms.


1 Simplify



So %28y-7%29%2F%28y-9%29+-+2%2F%28y-9%29 simplifies to 1


In other words, %28y-7%29%2F%28y-9%29+-+2%2F%28y-9%29=1 where y%3C%3E9