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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 （7%-i）/（7%-6%） = （4.1002-4.20）/（4.1002-4.2124） .
    Question type: Equation
    Solution:Original question:
     (
7
100
 − i ) ÷ (
7
100
 −
6
100
) = (
20501
5000
 −
21
5
) ÷ (
20501
5000
 −
10531
2500
)
     Multiply both sides of the equation by:(
7
100
 −
6
100
) ,  (
20501
5000
 −
10531
2500
)
     (
7
100
 − i )(
20501
5000
 −
10531
2500
) = (
20501
5000
 −
21
5
)(
7
100
 −
6
100
)
    Remove a bracket on the left of the equation:：
     
7
100
(
20501
5000
 −
10531
2500
) − i (
20501
5000
 −
10531
2500
) = (
20501
5000
 −
21
5
)(
7
100
 −
6
100
)
    Remove a bracket on the right of the equation:：
     
7
100
(
20501
5000
 −
10531
2500
) − i (
20501
5000
 −
10531
2500
) =
20501
5000
(
7
100
 −
6
100
) −
21
5
(
7
100
 −
6
100
)
    Remove a bracket on the left of the equation:
     
7
100
 ×
20501
5000
 −
7
100
 ×
10531
2500
 − i (
20501
5000
 −
10531
2500
) =
20501
5000
(
7
100
 −
6
100
) −
21
5
(
7
100
 −
6
100
)
    Remove a bracket on the right of the equation:：
     
7
100
 ×
20501
5000
 −
7
100
 ×
10531
2500
 − i (
20501
5000
 −
10531
2500
) =
20501
5000
 ×
7
100
 −
20501
5000
 ×
6
100
 −
21
5
(
7
100
 −
6
100
)
    The equation is reduced to :
     
143507
500000
 −
73717
250000
 − i (
20501
5000
 −
10531
2500
) =
143507
500000
 −
61503
250000
 −
21
5
(
7
100
 −
6
100
)

    
        i≈0.061105 , 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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