SOLUTION: I need to correct this problem and basically write the correct answer {{{ 1/(x-y) = (-1)/(x+y) }}} I have a hard time remembering how to do all the switching and flipping on

Algebra ->  Square-cubic-other-roots -> SOLUTION: I need to correct this problem and basically write the correct answer {{{ 1/(x-y) = (-1)/(x+y) }}} I have a hard time remembering how to do all the switching and flipping on      Log On


   

Question 335300: I need to correct this problem and basically write the correct answer
+1%2F%28x-y%29+=+%28-1%29%2F%28x%2By%29+
I have a hard time remembering how to do all the switching and flipping on fractions so if you can help me I would really appreciate it

Thanks for the help!
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Hint: If you have the equation A%2FB=C%2FD, you can cross multiply to get AD=BC


So in your case, cross multiply to get 1%28x%2By%29=-1%28x-y%29.