Question

Subtract: 7/x-y - 2/y-x

Answer 1

your answer is 9/(x-y)
you want me to explain?

Answer 2

Yes do explain, cause the book his no questions like this one

Answer 3

see its simple
2/(y-x) can be written as -2/(x-y)
you know this right?

Answer 4

well and - - is +..
u there gal?

Answer 5

Im still here. (computer freezing alot)

Answer 6

ya.. so you can see -2/y-x=+2/x-y combining the two things i told above..
den u take 1/(x-y)common and add 2+7=9 to get 9/x-y as ur answer

Answer 7

hope it helps

Answer 8

Thanks. I am studying for my FINALS on Saturday. ~ And a lot of the question on the Sample Final sheet, I wasn't even thought.

Answer 9

Thanks for the help alot

Answer 10

anytime:)