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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 (i-7%)/(8%-7%) = (4-4.1002)/(3.9927-4) .
    Question type: Equation
    Solution:Original question:
     ( i −
7
100
) ÷ (
8
100
 −
7
100
) = (4 −
20501
5000
) ÷ (
39927
10000
 − 4)
     Multiply both sides of the equation by:(
8
100
 −
7
100
) ,  (
39927
10000
 − 4)
     ( i −
7
100
)(
39927
10000
 − 4) = (4 −
20501
5000
)(
8
100
 −
7
100
)
    Remove a bracket on the left of the equation:：
      i (
39927
10000
 − 4) −
7
100
(
39927
10000
 − 4) = (4 −
20501
5000
)(
8
100
 −
7
100
)
    Remove a bracket on the right of the equation:：
      i (
39927
10000
 − 4) −
7
100
(
39927
10000
 − 4) = 4(
8
100
 −
7
100
) −
20501
5000
(
8
100
 −
7
100
)
    Remove a bracket on the left of the equation:
      i ×
39927
10000
 − i × 4 −
7
100
(
39927
10000
 − 4) = 4(
8
100
 −
7
100
) −
20501
5000
(
8
100
 −
7
100
)
    Remove a bracket on the right of the equation:：
      i ×
39927
10000
 − i × 4 −
7
100
(
39927
10000
 − 4) = 4 ×
8
100
 − 4 ×
7
100
 −
20501
5000
(
8
100
 −
7
100
)
    The equation is reduced to :
      i ×
39927
10000
 − i × 4 −
7
100
(
39927
10000
 − 4) =
8
25
 −
7
25
 −
20501
5000
(
8
100
 −
7
100
)
    The equation is reduced to :
      -
73
10000
 i −
7
100
(
39927
10000
 − 4) =
1
25
 −
20501
5000
(
8
100
 −
7
100
)
    Remove a bracket on the left of the equation:
      -
73
10000
 i −
7
100
 ×
39927
10000
 +
7
100
 × 4 =
1
25
 −
20501
5000
(
8
100
 −
7
100
)
    Remove a bracket on the right of the equation:：
      -
73
10000
 i −
7
100
 ×
39927
10000
 +
7
100
 × 4 =
1
25
 −
20501
5000
 ×
8
100
 +
20501
5000
 ×
7
100
    The equation is reduced to :
      -
73
10000
 i −
279489
1000000
 +
7
25
 =
1
25
 −
20501
62500
 +
143507
500000

    
        i≈0.207260 , 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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