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2 |17 - 3x| < 3 + 5
|17 - 3x| < 8/2
|17 - 3x| < 4
(17 - 3x)² < 4²
289 - 102x + 9x² < 16
9x² - 102x + 273 < 0
3x² - 34x + 91 < 0
(3x - 13)(x - 7) < 0
13/3 < x < 7
HP = {x | 13/3 < x < 7, x ∈ R}