Respostas

2013-12-18T22:00:09-02:00
X-1/5 - x>x+1/2 - 2x+1/3
6x-6/30 - 30x/30 > 15x+15/30 - 20x+10/30
6x-6-30x>15x+15-20x+10
6x-30x-15x+20x>15+10+6
-19x>31       (-1)
19x<-31
x<-31/19
1 5 1