Jawabanmu

2014-01-27T16:52:41+07:00
2x + 3 : 4 ≤ -4x - 4 : 2
2 ( 2x + 3 ) ≤ 3 ( - 4x - 4 )
4x + 6 ≤ - 12x - 12
6 + 12 ≤ - 12x - 4x
18 ≤ -16x
x ≤ 18/-16
x ≤ -9/8