作业帮0.2*2+0.5x ---------------- =2 0.15*2+0.2x0.2*2+0.5x---------------- =2 0.15*2+0.2x
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/29 23:50:10
0.2*2+0.5x ---------------- =2 0.15*2+0.2x0.2*2+0.5x---------------- =2 0.15*2+0.2x
0.2*2+0.5x ---------------- =2 0.15*2+0.2x
0.2*2+0.5x
---------------- =2
0.15*2+0.2x
0.2*2+0.5x ---------------- =2 0.15*2+0.2x0.2*2+0.5x---------------- =2 0.15*2+0.2x
0.2*2+0.5x
---------------- =2
0.15*2+0.2x
0.2*2+0.5x=2( 0.15*2+0.2x)
0.4+0.5x=0.6+0.4x
0.1x=0.2
x=2