jawab...............?????? | 5x-3| < 4x+21

|5x-3| < 4x+21
5x-3 < 4x + 21
5x-4x < 21 + 3
x < 24

Nilai Mutlak

|5x - 3| < 4x + 21

5x - 3 < 4x + 21
5x - 4x < 21 + 3
x < 24

5x - 3 > -4x - 21
5x + 4x > -21 + 3
9x > -18
x > -2

HP = {x| -2 < x < 24, x € R}