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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 X-X/(1+6%)*6%-X/(1+6%)*6%*12% = 6.5 .
    Question type: Equation
    Solution:Original question:
      X − X ÷ (1 +
6
100
) ×
6
100
 − X ÷ (1 +
6
100
) ×
6
100
 ×
12
100
 =
13
2
     Multiply both sides of the equation by:(1 +
6
100
)
      X (1 +
6
100
) − X ×
6
100
 − X ÷ (1 +
6
100
) ×
6
100
 ×
12
100
(1 +
6
100
) =
13
2
(1 +
6
100
)
    Remove a bracket on the left of the equation:：
      X × 1 + X ×
6
100
 − X ×
6
100
 − X ÷ (1 +
6
100
) ×
6
100
 ×
12
100
(1 +
6
100
) =
13
2
(1 +
6
100
)
    Remove a bracket on the right of the equation:：
      X × 1 + X ×
6
100
 − X ×
6
100
 − X ÷ (1 +
6
100
) ×
6
100
 ×
12
100
(1 +
6
100
) =
13
2
 × 1 +
13
2
 ×
6
100
    The equation is reduced to :
      X × 1 + X ×
6
100
 − X ×
6
100
 − X ÷ (1 +
6
100
) ×
9
1250
(1 +
6
100
) =
13
2
 +
39
100
    The equation is reduced to :
     1 X − X ÷ (1 +
6
100
) ×
9
1250
(1 +
6
100
) =
689
100
     Multiply both sides of the equation by:(1 +
6
100
)
     1 X (1 +
6
100
) − X ×
9
1250
(1 +
6
100
) =
689
100
(1 +
6
100
)
    Remove a bracket on the left of the equation:
     1 X × 1 + 1 X ×
6
100
 − X ×
9
1250
(1 +
6
100
) =
689
100
(1 +
6
100
)
    Remove a bracket on the right of the equation:：
     1 X × 1 + 1 X ×
6
100
 − X ×
9
1250
(1 +
6
100
) =
689
100
 × 1 +
689
100
 ×
6
100
    The equation is reduced to :
     1 X +
3
50
 X − X ×
9
1250
(1 +
6
100
) =
689
100
 +
2067
5000
    The equation is reduced to :
     
53
50
 X − X ×
9
1250
(1 +
6
100
) =
36517
5000
    Remove a bracket on the left of the equation:
     
53
50
 X − X ×
9
1250
 × 1 − X ×
9
1250
 ×
6
100
 =
36517
5000
    The equation is reduced to :
     
53
50
 X − X ×
9
1250
 − X ×
27
62500
 =
36517
5000
    The equation is reduced to :
     
65773
62500
 X =
36517
5000

    The coefficient of the unknown number is reduced to 1 :
      X =
36517
5000
 ÷
65773
62500
        =
36517
5000
 ×
62500
65773
        =
689
2
 ×
25
1241

    We obtained :
      X =
17225
2482
    This is the solution of the equation.

    Convert the result to decimal form :
      X = 6.939968



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