x一(3分之一X一1十5分一×十4分之一X十2)=38

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x-(1/拍和3x+1/银贺者锋薯5x+1/4x+1)=38
x-(8/15x+1/4x+1)=38
x-(32/60x+15/60x+1)=38
x-47/60x-1=38
13/60x=39
x=180

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