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On line Solution of Monovariate Equation:
    Input any unary equation directly, and then click the "Next" button to obtain the solution of the equation.
    It supports equations that contain mathematical functions.
    Current location:Equations > Monovariate Equation > The history of univariate equation calculation > Answer

    Overview: 1 questions will be solved this time.Among them
           ☆1 equations

[ 1/1 Equation]
    Work: Find the solution of equation (774+x)+487/(896+x) = 28 .
    Question type: Equation
    Solution:Original question:
     (774 + x ) + 487 ÷ (896 + x ) = 28
     Multiply both sides of the equation by:(896 + x )
     (774 + x )(896 + x ) + 487 = 28(896 + x )
    Remove a bracket on the left of the equation::
     774(896 + x ) + x (896 + x ) + 487 = 28(896 + x )
    Remove a bracket on the right of the equation::
     774(896 + x ) + x (896 + x ) + 487 = 28 × 896 + 28 x
    The equation is reduced to :
     774(896 + x ) + x (896 + x ) + 487 = 25088 + 28 x
    Remove a bracket on the left of the equation:
     774 × 896 + 774 x + x (896 + x ) + 487 = 25088 + 28 x
    The equation is reduced to :
     693504 + 774 x + x (896 + x ) + 487 = 25088 + 28 x
    The equation is reduced to :
     693991 + 774 x + x (896 + x ) = 25088 + 28 x
    Remove a bracket on the left of the equation:
     693991 + 774 x + x × 896 + x x = 25088 + 28 x
    The equation is reduced to :
     693991 + 1670 x + x x = 25088 + 28 x

    
        x≈-749.320156 , keep 6 decimal places
    
    There are 1 solution(s).


解一元一次方程的详细方法请参阅:《一元一次方程的解法》



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