16000/（2x-32）=9600/x
    （260*63-x）*0.95=13563.15
    （260*63-2400+99*3-x）*0.95=13563.15
    6^x-5^x=11
    10.6X等于7.2
    1680/（1.4x)=1400/x-10
    7.2/(1.5x)+24/x=120
    7.2/1.5x+24/x=120
    1/3+（1/x+1/60)*24=1
     X = 0.06X+2300
    X=0.06X+2300
    (a*a-2a+12)/a=6
     X=0.06X+2000(1+0.15)
    x/0.5-2=(2x-0.8)/0.4
    2-(x+5)/6=x-(x-1)/3
    (x-7)/5=1-(2x+2)/3
    x/0.3-(0.05-0.1x)/0.02=1
    x/2-(x-2)/6=x-1/3
    x²+92x-1040=0
    x(-2x+9-8/x)=6

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