Soal easy Hitunglah: 16 - 5x ≤ -4

16 - 5x ≤ -4
-5x ≤ -4 - 16
-5x ≤ -20
x ≤ -20/-5
x _> 4

Anggota x = { 4,5,6,7,8,9,..}

16 - 5x <= -4
-5x <= -4 - 16
-5x <= -20
------------------ ×(-) karena variabel x bernilai negatif
5x => 20
x => 4

Hp = { 4 ,5 , 6, 7, 8, .... }