Jawapan

2014-08-27T22:16:22+08:00
4x-3 3x-24
  2          1
4x-3 ≤ 2(3x-24)
4x-3 ≤ 6x-48
4x-6x ≤ -48+3
-2x ≤ -45
2x ≤ 45
x ≤45
     2
x ≤ 22.5
2 3 2
2014-08-28T07:52:46+08:00
4x - 3 ≤ 3 ( x - 8 ) 2
= 4x - 3 ≤ 6 ( x - 8 )
= 4x - 3 ≤ 6x - 48
= 4x - 6x ≤ - 48 + 3
= - 2x ≤ - 45
= x ≥ 22.5