Jawabanmu

2014-02-02T14:45:38+07:00
1/2 (4-x)+1/2x=2(x+2)
2-1/2x+1/2x=2x+4
2=2x+4
2x=-2
x=-1
1 5 1
Jawaban paling cerdas!
2014-02-02T14:52:14+07:00