|x+5| < |1-9x| +3 hasilnya

Pertidaksamaan nilaimutlak

|x+5| < |1-9x|+3
..
1)
x + 5 <1 – 9x + 3
x +9 x < 1 +3 – 5
10x <- 1
x < – 1/10

1)
x + 5 < 9x – 1 + 3
x – 9x < -1 + 3 – 5
– 8x < – 3
x  > 3/8

HP
x < 1/10 atau x > 3/8
atau
x = (3/8 , ∞)
x = (∞ , -1/10)