解方程 x-25-(x-25)*0.4=0.5x

来源:百度知道 编辑:UC知道 时间:2024/06/06 04:58:40
x-25-(x-25)*0.4=0.5x

展开得:X-25-0.4X+25*0.4=0.5X
化简得:0.1X=33
解得:X=330

X-25-(X-25)*0.4=0.5X
解:化简:X-25-0.4X+10-0.5X=0
0.9X-15=0
0.9X=15
X= 50/3
解得X=50/3.

x=150
X-25-(X-25)*0.4=0.5X
X-25-0.4X+10=0.5X
X-0.9X=15
0.1X=15
X=150

o(∩_∩)o...

X-25-(X-25)*0.4=0.5X
解:化简:X-25-0.4X+10-0.5X=0
0.9X-15=0
0.9X=15
X= 50/3
解得X=50/3.