Jawabanmu

2014-02-25T14:12:11+07:00
2.4x = 128
   4x = 128/2 = 64
     x=64/4= 16

Kemusngkinan
1 5 1
2014-02-25T14:12:23+07:00
2.4x = 128
4x = 128 ÷ 2
4x = 64
x = 64 ÷ 4
x = 16
1 5 1