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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 -7x/3+2 = 2.47x/(1+1.47x) .
    Question type: Equation
    Solution:Original question:
      - 7 x ÷ 3 + 2 =
247
100
x ÷ (1 +
147
100
x )
     Multiply both sides of the equation by:(1 +
147
100
x )
      - 7 x ÷ 3 × (1 +
147
100
x ) + 2(1 +
147
100
x ) =
247
100
x
    Remove a bracket on the left of the equation::
      - 7 x ÷ 3 × 17 x ÷ 3 ×
147
100
x + 2(1 +
147
100
x ) =
247
100
x
    The equation is reduced to :
      -
7
3
x
343
100
x x + 2(1 +
147
100
x ) =
247
100
x
    Remove a bracket on the left of the equation:
      -
7
3
x
343
100
x x + 2 × 1 + 2 ×
147
100
x =
247
100
x
    The equation is reduced to :
      -
7
3
x
343
100
x x + 2 +
147
50
x =
247
100
x
    The equation is reduced to :
     
91
150
x
343
100
x x + 2 =
247
100
x

    The solution of the equation:
        x1≈-1.082098 , keep 6 decimal places
        x2≈-0.680272 , keep 6 decimal places
        x3≈0.538852 , keep 6 decimal places
    
    There are 3 solution(s).


解程的详细方法请参阅:《方程的解法》



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