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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 0.2164/(1+1.05x)-0.0488/(1-0.12x)-0.3956/(1-0.66x) = 0 .
    Question type: Equation
    Solution:Original question:
     
541
2500
÷ (1 +
21
20
x ) −
61
1250
÷ (1 −
3
25
x ) −
989
2500
÷ (1 −
33
50
x ) = 0
     Multiply both sides of the equation by:(1 +
21
20
x )
     
541
2500
−
61
1250
÷ (1 −
3
25
x ) × (1 +
21
20
x ) −
989
2500
÷ (1 −
33
50
x ) × (1 +
21
20
x ) = 0
    Remove a bracket on the left of the equation::
     
541
2500
−
61
1250
÷ (1 −
3
25
x ) × 1 −
61
1250
÷ (1 −
3
25
x ) ×
21
20
x −
989
2500
÷ (1 −
33
50
x ) × (1 +
21
20
x ) = 0
    The equation is reduced to :
     
541
2500
−
61
1250
÷ (1 −
3
25
x ) −
1281
25000
÷ (1 −
3
25
x ) × x −
989
2500
÷ (1 −
33
50
x ) × (1 +
21
20
x ) = 0
     Multiply both sides of the equation by:(1 −
3
25
x )
     
541
2500
(1 −
3
25
x ) −
61
1250
−
1281
25000
x −
989
2500
÷ (1 −
33
50
x ) × (1 +
21
20
x )(1 −
3
25
x ) = 0
    Remove a bracket on the left of the equation:
     
541
2500
× 1 −
541
2500
×
3
25
x −
61
1250
−
1281
25000
x −
989
2500
÷ (1 −
33
50
x ) × (1 +
21
20
x )(1 −
3
25
x ) = 0
    The equation is reduced to :
     
541
2500
−
1623
62500
x −
61
1250
−
1281
25000
x −
989
2500
÷ (1 −
33
50
x ) × (1 +
21
20
x )(1 −
3
25
x ) = 0
    The equation is reduced to :
     
419
2500
−
9651
125000
x −
989
2500
÷ (1 −
33
50
x ) × (1 +
21
20
x )(1 −
3
25
x ) = 0
     Multiply both sides of the equation by:(1 −
33
50
x )
     
419
2500
(1 −
33
50
x ) −
9651
125000
x (1 −
33
50
x ) −
989
2500
(1 +
21
20
x )(1 −
3
25
x ) = 0
    Remove a bracket on the left of the equation:
     
419
2500
× 1 −
419
2500
×
33
50
x −
9651
125000
x (1 −
33
50
x ) −
989
2500
(1 +
21
20
x )(1 −
3
25
x ) = 0
    The equation is reduced to :
     
419
2500
−
13827
125000
x −
9651
125000
x (1 −
33
50
x ) −
989
2500
(1 +
21
20
x )(1 −
3
25
x ) = 0
    Remove a bracket on the left of the equation:
     
419
2500
−
13827
125000
x −
9651
125000
x × 1 +
9651
125000
x ×
33
50
x −
989
2500
(1 +
21
20
x ) = 0
    The equation is reduced to :
     
419
2500
−
13827
125000
x −
9651
125000
x +
318483
6250000
x x −
989
2500
(1 +
21
20
x )(1 −
3
25
x ) = 0
    The equation is reduced to :
     
419
2500
−
11739
62500
x +
318483
6250000
x x −
989
2500
(1 +
21
20
x )(1 −
3
25
x ) = 0
    Remove a bracket on the left of the equation:
     
419
2500
−
11739
62500
x +
318483
6250000
x x −
989
2500
× 1(1 −
3
25
x ) −
989
2500
×
21
20
x = 0
    The equation is reduced to :
     
419
2500
−
11739
62500
x +
318483
6250000
x x −
989
2500
(1 −
3
25
x ) −
20769
50000
x (1 −
3
25
x ) = 0
    Remove a bracket on the left of the equation:
     
419
2500
−
11739
62500
x +
318483
6250000
x x −
989
2500
× 1 +
989
2500
×
3
25
x −
20769
50000
= 0
    The equation is reduced to :
     
419
2500
−
11739
62500
x +
318483
6250000
x x −
989
2500
+
2967
62500
x −
20769
50000
x (1 −
3
25
x ) = 0
    The equation is reduced to :
      -
57
250
−
2193
15625
x +
318483
6250000
x x −
20769
50000
x (1 −
3
25
x ) = 0
    Remove a bracket on the left of the equation:
      -
57
250
−
2193
15625
x +
318483
6250000
x x −
20769
50000
x × 1 +
20769
50000
x ×
3
25
= 0
    The equation is reduced to :
      -
57
250
−
2193
15625
x +
318483
6250000
x x −
20769
50000
x +
62307
1250000
x x = 0
    The equation is reduced to :
      -
57
250
−
138933
250000
x +
318483
6250000
x x +
62307
1250000
x x = 0

    The solution of the equation:
        x1≈-0.952381 , keep 6 decimal places
        x2≈-0.383581 , keep 6 decimal places
        x3≈5.896638 , 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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