Jawabanmu

2014-03-12T10:12:30+07:00
| 5/4x-3 | < 1
5/4x - 3
< 1
5/4x
< 1 + 3
5/4x
< 4
x
< 4 . 5/4
x < 20/4
x < 5





2014-03-12T10:16:19+07:00
| 5/4x-3 | ≤ 1
| 5/4x-3 |² ≤ 1²
5/4x-3 ≤ 1
5/4x ≤ 1 + 3
5/4x ≤ 4
    x ≤ 4 / ⁵/₄
    x ≤ 4 x ⁴/₅
    x ≤ 3 ¹/₅