Jawabanmu

2014-02-11T17:38:12+07:00
Saya ngak tau isiannya , tp sebelum -<- 2
isiannya 1/4x +1 1/4 - 2 2/3x + 1 2/3
2014-02-11T17:49:48+07:00
1/4 + 1/4 - 4/3x - 2/3 < -2
-13/12x + 1/4 - 2/3 + 2/3 < -2 + 2/3
-13/12x + 1/4 < -4/3
-13/12x + 1/4 - 1/4 < -4/3 -1/4
13/12x/-13/12x > 13/12/-13/12
x > -1
x = { 0, 1, 2, 3, ... }