Himpunan penyelesAian |x/3-2|<= 6

Bab Nilai Mutlak
Matematika SMA Kelas X

| (x/3) - 2 | <= 6

-6 <= (x/3) - 2 <= 6
-6 + 2 <= (x/3) - 2 + 2 <= 6 + 2
-4 <= (x/3) <= 8
-4 . 3 <= (x/3) . 3 <= 8 . 3
-12 <= x <= 24

HP = { x | -12 <= x <= 24, x € bilangan real }