" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
-4 < 3x+8 < 14 (kurangkan semua ruas dg 8)
-12 < 3x < 6 (bagi semua ruas dg 3)
-4 < x < 2
2x - 4 - 8 < 5x < 14 + 2x - 8
2x - 12 < 5x < 6 + 2x
Kasus I:
2x - 12 < 5x
- 3x < 12
x < - 4
Kasus II:
5x < 6 + 2x
3x < 6
x < 2
Gabungkan:
- 4 < x < 2