" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
-x -2x <= 7-9
-3x <= -2
x >= -2/-3
x>=2/3
himpunan = { 1,2,3, ... }
1 - x - 9 ≤ 2x + 7
1 - 9 - 7 ≤ 2x + x
-15 ≤ 3x
-5 ≤ x
x ≥ -5
x = {-5, -4, -3, -2, -1, 0, 1, 2, 3,..}