SOLUTION: 15y+5/-21y-7 The slash is the fraction line. In the textbook it looks like this: 15y+5 ------ -21y-7

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: 15y+5/-21y-7 The slash is the fraction line. In the textbook it looks like this: 15y+5 ------ -21y-7      Log On


   

Question 588068: 15y+5/-21y-7
The slash is the fraction line. In the textbook it looks like this:
15y+5
------
-21y-7
Answer by Edwin McCravy(20056) About Me  (Show Source):
You can put this solution on YOUR website!
%2815y%2B5%29%2F%28-21y-7%29

Factor 5 out of the numerator:

%285%283y%2B1%29%29%2F%28-21y-7%29

Factor -7 out of the denominator

%285%283y%2B1%29%29%2F%28-7%283y%2B1%29%29

Cancel the (3y+1)'s

%285%28cross%283y%2B1%29%29%29%2F%28-7%28cross%283y%2B1%29%29%29

5%2F%28-7%29

-5%2F7

Edwin