Jawabanmu

2014-02-12T21:37:28+07:00
5/ x-7 > 7/x+5 
5x+25/(x-7)(x+5) > 7x-49/(x-7)(x+5) 
5x+25 > 7x-49 
25+49 > 7x - 5x 
74 > 2x 
37 > x