teman teman tolong di bantu ya :) tugasnya dikumpul besok...

4) 10(2x+1/5) < 10(x-1/2) +10(3/2)
4x+2<5x-5+15
4x-5x<-2-5+15
-x<8
x>-8
5) 6x-4x+12≥15
6x-4x≥15-12
2x≥3
x≥3/2