Soal mat. Tolong bantu ya. Thanks..

(3x + 1)/(x - 2) ≤ 1
(3x + 1)/(x - 2) - 1 ≤ 0
(3x + 1 - 1(x - 2))/(x - 2) ≤ 0
(3x + 1 - x + 2)/(x - 2) ≤ 0
(2x + 3)/(x - 2) ≤ 0
x = -3/2 atau x = 2
+++ (-3/2) ---- (2) +++
-3/2 ≤ x < 2
Karena S himpunan bilangan bulat maka S = {-1, 0, 1} => ada 3 anggota