3x+2≤5 gunakan cara 1

3x+2<5
jwab
3x<5-2
3x<3
x<1

Pertidaksamaan Nilai Mutlak

3x + 2 ≤ 5

-5 -2 ≤ (3x + 2 -2) ≤ 5 -2
-7 ≤ 3x ≤ 3
-7/3 ≤ x ≤ 3/3
-2⅓ ≤ x ≤ 1

HP = {x| -2⅓ ≤ x ≤ 1}