Jawabanmu

2014-06-03T22:18:35+07:00
1) samakan dlu penyebutnya
3(x-2)/12 - 2(2x-1)/12 = 2/3
(3x-6-4x+2)/12 = 2/3
(-x-4)/12 = 2/3
kali silang
-3x-12 = 24
-3x = 36
x = -12
2) 13-2(y+1) < (y+1)-8........................13-2y-2<y+1-8.................................-2y-y<-7-13+2..........................-3y<-18.................................y>6