{2/3(3-x)+2<-2 -2/3(x+5)-1<5

问题描述:

{2/3(3-x)+2<-2 -2/3(x+5)-1<5

2/3(3-x)+22/3(3-x)3-xx>9
-2/3(x+5)-1-2/3(x+5)2/3(x+5)>-6
x+5>-9
x>-14
所以x>9