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2. 2x-6<6x+3= 2x-6x<3+6= -4x<9, berarti x<-9/4
3. -2n-3n<-5= -5n<-5, berarti n<1
maaf kalo salah yaa
2x-6<6x+3 = 2x-6x<6+3 -4x<9 x>2,5
-2n-3n<-5 -5n<-5 n<1