|4x+12| ≤16 tolong yah
|4x + 12| ≤ 16
4|x + 3| ≤ 16
|x + 3| ≤ 4
-4 ≤ x + 3 ≤ 4
-4 – 3 ≤ x ≤ 4 – 3
-7 ≤ x ≤ 1
Jawaban:
|4x+12| ≤16
-16≤4x+12≤16
-16-12≤4x+12-12≤16-12
-28≤4x≤4
-28/4≤4x/4≤4/4
-7≤x≤1
Penjelasan dengan langkah-langkah:
bentuk umum pertidaksamaan linear
- |p|≤q, -q≤p≤q