Jawabanmu

2014-03-03T20:20:48+07:00
2y - 7 : 2 ≤ 3
2y           ≤ 7 x 3 + 3
2y           ≤ 21 + 3 = 24
y             ≤ 24/2 = 12
2014-03-03T20:39:30+07:00
2y-7/2 \leq 3
2y - 3  \leq 3
2y -3-3=0
2y-6=0
2y=6
y=6/2
y=3

^semoga membantu