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current location:Solving equations online > On line Solution of Monovariate Equation > The history of univariate equation calculation
    4/x-9/x+1
    4/x-9/(x+1)=0
    4/x-9/x+1=0
    (x-0.19)/0.01
    (0.19-x)/(0.2-0.19)=(0.08-0)/(-0.28-0.08)
    (19%-x)/(20%-19%)=(0.08-0)/(-0.28-0.08)
    (20%-x)/(20%-19%)=(-0.28-0)/(-0.28-0.08)
    m(-2m+72)=650
    m(-2m+72)=640
     45+x=129
    (m-70)(-2m+240)=1200
     cot 45
    5X2-18=9X
    (x+3.5)×8.97=12.24x
    33.9×7.62+12.24x=(33.9+x)×8.97
    9/8-x=5/8+1/6
    9792x∧2-25200x+90000
    3x*x-27x-100=0
    3x*x-27x+100=0
    (20-x)*(32-2x)=540

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