x-0.25x=2.4

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x-0.25x=2.4x-0.25x=2.4x-0.25x=2.4（1-0.25）X=2.40.75X=2.4X=2.4/0.75X=3.2x-0.25x=2.4x（1-0.25）=2.40.75X=

x-0.25x=2.4
x-0.25x=2.4

x-0.25x=2.4
（1-0.25）X=2.4
0.75X=2.4
X=2.4/0.75
X=3.2

x-0.25x=2.4
x（1-0.25）=2.4
0.75X=2.4
x=2.4/0.75
x=3.2

化为0.75x=2.4
x=2.4/0.75
=3.2

x-0.25x=2.4
解:0.75X=2.4
X=2.4/0.75
X=3.2

X=3.2

标准答案：
x-0.25x=2.4
0.75x=2.4
x=2.4÷0.75
x=3.2

0.75 X = 2.4
X = 2.4 除以 0.75
X = 3.2

x-0.25x=2.4 x-0.25x=2.4 x-0.25x=2.4方程（X+X)+(X-X)+(X*X)+(X/X)=100 1.8x-x=2.4x=？（x-4)-(x+4)=0.25x 66=X+0.25X求X 0.25x+3.6=x解x x-0.25x+1=10.4x+0.25x-1 x-0.25=0.25x {x+10}x{x+10}=0.25x 2.4x-x=2.1 2.4x-26=x 1.8x-2.4=x 1.8X-X=2.4 x-0.6x=2.4 x+2.4=1.05x x-0.25x=0.