1. x<-4
2. x>3/10
3. x>=-2
1.-2/1x＞2
-x>4
x<-4
2 -2/1x+3＜x-2
5<2/3x
x>3/10
3 5x-12≤2(4x-3)
5x-12≤8x-6
-6<=3x
x>=-2