Jawabanmu

2014-04-20T19:18:54+07:00
8x : 2x +16 - 1/2 = 4x + 15 1/2 

Koreksi dlu klo salah ato bener

2014-04-20T19:19:26+07:00
4(2x+4) : 2x - 1/2
8x + 16 : 2x - 1/2
4x - 32