60%x一44%x=3 .20.16x=3.2x=3.2/0.16=20满意望采纳
我还是解答一下吧,你那么看得起我60%x一44%x=3 .216%x=3.2x=20
0.6x-0.44x=3.20.16x=3.2x=20