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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 0.25*3.14*0.6*0.6*2/（2X）+0.8*(1-0.25*3.14*0.6*0.6*2/（2X）)*85 = 128.35 .
    Question type: Equation
    Solution:Original question:
     
1
4
 ×
157
50
 ×
3
5
 ×
3
5
 × 2 ÷ (2 X ) +
4
5
(1 −
1
4
 ×
157
50
 ×
3
5
 ×
3
5
 × 2 ÷ (2 X )) × 85 =
2567
20
     Multiply both sides of the equation by:(2 X )
     
1
4
 ×
157
50
 ×
3
5
 ×
3
5
 × 2 +
4
5
(1 −
1
4
 ×
157
50
 ×
3
5
 ×
3
5
 × 2 ÷ (2 X )) × 85(2 X ) =
2567
20
(2 X )
    Remove a bracket on the left of the equation:：
     
1
4
 ×
157
50
 ×
3
5
 ×
3
5
 × 2 +
4
5
 × 1 × 85(2 X ) −
4
5
 ×
1
4
 ×
157
50
 =
2567
20
(2 X )
    Remove a bracket on the right of the equation:：
     
1
4
 ×
157
50
 ×
3
5
 ×
3
5
 × 2 +
4
5
 × 1 × 85(2 X ) −
4
5
 ×
1
4
 ×
157
50
 =
2567
20
 × 2 X
    The equation is reduced to :
     
1413
2500
 + 68(2 X ) −
24021
625
 ÷ (2 X ) × (2 X ) =
2567
10
 X
     Multiply both sides of the equation by:(2 × 1)
     
1413
2500
(2 × 1) + 68(2 X )(2 × 1) −
24021
625
(2 × 1) =
2567
10
 X (2 × 1)
    Remove a bracket on the left of the equation:
     
1413
2500
 × 2 × 1 + 68(2 X )(2 × 1) −
24021
625
(2 × 1) =
2567
10
 X (2 × 1)
    Remove a bracket on the right of the equation:：
     
1413
2500
 × 2 × 1 + 68(2 X )(2 × 1) −
24021
625
(2 × 1) =
2567
10
 X × 2 × 1
    The equation is reduced to :
     
1413
1250
 + 68(2 X )(2 × 1) −
24021
625
(2 × 1) =
2567
5
 X
    Remove a bracket on the left of the equation:
     
1413
1250
 + 68 × 2 X (2 × 1) −
24021
625
(2 × 1) =
2567
5
 X
    The equation is reduced to :
     
1413
1250
 + 136 X (2 × 1) −
24021
625
(2 × 1) =
2567
5
 X
    Remove a bracket on the left of the equation:
     
1413
1250
 + 136 X × 2 × 1 −
24021
625
(2 × 1) =
2567
5
 X
    The equation is reduced to :
     
1413
1250
 + 272 X −
24021
625
(2 × 1) =
2567
5
 X
    Remove a bracket on the left of the equation:
     
1413
1250
 + 272 X −
24021
625
 × 2 × 1 =
2567
5
 X
    The equation is reduced to :
     
1413
1250
 + 272 X −
48042
625
 =
2567
5
 X
    The equation is reduced to :
      -
94671
1250
 + 272 X =
2567
5
 X

    Transposition :
     272 X −
2567
5
 X =
94671
1250

    Combine the items on the left of the equation:
      -
1207
5
 X =
94671
1250

    By shifting the terms and changing the symbols on toth sides of the equation, we obtain :
      -
94671
1250
 =
1207
5
 X

    If the left side of the equation is equal to the right side, then the right side must also be equal to the left side, that is :
     
1207
5
 X = -
94671
1250

    The coefficient of the unknown number is reduced to 1 :
      X = -
94671
1250
 ÷
1207
5
        = -
94671
1250
 ×
5
1207
        = -
94671
250
 ×
1
1207

    We obtained :
      X = -
94671
301750
    This is the solution of the equation.

    Convert the result to decimal form :
      X = - 0.31374



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