x-0.25x=48

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x-0.25x=48

x-0.25x=48
0.75x=48
x=64

x-0.25x=48
0.75x=48
x=48÷0.75
x=64

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x-0.25x=48
0.75x=48
x=64
望采纳谢谢

0,75X=48
X=64