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Kelas 10 MatematikaBab Nilai Mutlak
|x - 3| - |2x - 1| >= 0
(x - 3)² - (2x - 1)² >= 0
(x - 3 + 2x - 1) (x - 3 - 2x + 1) >= 0
(3x - 4) (-x - 2) >= 0
(3x - 4) (x + 2) <= 0
3x - 4 <= 0
3x <= 4
x <= 4/3
x + 2 >= 0
x >= -2
- 2 <= x
HP = { x | -2 <= x <= 4/3, x € bilangan real }