解方程 x-25-(x-25)*0.4=0.5x

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解方程x-25-(x-25)*0.4=0.5x解方程x-25-(x-25)*0.4=0.5x解方程x-25-(x-25)*0.4=0.5x展开得:X-25-0.4X+25*0.4=0.5X化简得:0.

解方程 x-25-(x-25)*0.4=0.5x
解方程 x-25-(x-25)*0.4=0.5x

解方程 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
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
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.