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Pembahasan :
Cara 1, Kuadratkan kedua ruas
|2x - 3| < 5
(2x - 3)² < 5²
(2x - 3)² - 5² < 0
(2x - 3 + 5)(2x - 3 - 5) < 0
(2x + 2)(2x - 8) < 0
Hp : {-1 < x < 4, x € R}
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Cara 2, Sifat Ptd Mutlak
|2x - 3| < 5
↓↓
-5 < 2x - 3 < 5
-5 + 3 < 2x - 3 + 3 < 5 + 3
-2 < 2x < 8
-2 . 1/2 < 2x . 1/2 < 8 . 1/2
-1 < x < 4
Hp : {-1 < x < 4, x € R}