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    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 3.6798 = 25.5755*0.8962(x+0.1)/[1+0.8962(x+0.1)](100-0.1081-0.0196)/100*1/(1+0.31*0.0196)+2.07(x+0.1)/1.4*0.101325 .
    Question type: Equation
    Solution:Original question:
     
18399
5000
=
51151
2000
×
4481
5000
( x +
1
10
) ÷ (1 +
4481
5000
( x +
1
10
)) × (100
1081
10000
49
2500
) ÷ 100 × 1 ÷ (1 +
31
100
×
49
2500
) +
207
100
( x +
1
10
) ÷
7
5
×
4053
40000
     Multiply both sides of the equation by:(1 +
4481
5000
( x +
1
10
))
     
18399
5000
(1 +
4481
5000
( x +
1
10
)) =
51151
2000
×
4481
5000
( x +
1
10
)(100
1081
10000
49
2500
) ÷ 100 × 1 ÷ (1 +
31
100
×
49
2500
) +
207
100
( x +
1
10
) ÷
7
5
×
4053
40000
(1 +
4481
5000
( x +
1
10
))
    Remove a bracket on the left of the equation::
     
18399
5000
× 1 +
18399
5000
×
4481
5000
( x +
1
10
) =
51151
2000
×
4481
5000
( x +
1
10
)(100
1081
10000
49
2500
) ÷ 100 × 1 ÷ (1 +
31
100
×
49
2500
) +
207
100
( x +
1
10
) ÷
7
5
×
4053
40000
(1 +
4481
5000
( x +
1
10
))
    Remove a bracket on the right of the equation::
     
18399
5000
× 1 +
18399
5000
×
4481
5000
( x +
1
10
) =
51151
2000
×
4481
5000
x (100
1081
10000
49
2500
) ÷ 100 × 1 ÷ (1 +
31
100
×
49
2500
) +
51151
2000
×
4481
5000
×
1
10
(100
1081
10000
49
2500
) ÷ 100
    The equation is reduced to :
     
18399
5000
+
82445919
25000000
( x +
1
10
) =
229207631
1000000000
x (100
1081
10000
49
2500
) ÷ (1 +
31
100
×
49
2500
) +
229207631
10000000000
(100
1081
10000
49
2500
) ÷ (1 +
31
100
×
49
2500
) +
119853
800000
( x +
1
10
)(1 +
4481
5000
( x +
1
10
))
     Multiply both sides of the equation by:(1 +
31
100
×
49
2500
)
     
18399
5000
(1 +
31
100
×
49
2500
) +
82445919
25000000
( x +
1
10
)(1 +
31
100
×
49
2500
) =
229207631
1000000000
x (100
1081
10000
49
2500
) +
229207631
10000000000
(100
1081
10000
49
2500
) ÷ (1 +
31
100
×
49
2500
) × (1 +
31
100
×
49
2500
) +
119853
800000
( x +
1
10
)(1 +
4481
5000
( x +
1
10
))(1 +
31
100
×
49
2500
)
    Remove a bracket on the left of the equation:
     
18399
5000
× 1 +
18399
5000
×
31
100
×
49
2500
+
82445919
25000000
( x +
1
10
)(1 +
31
100
×
49
2500
) =
229207631
1000000000
x (100
1081
10000
49
2500
) +
229207631
10000000000
(100
1081
10000
49
2500
) ÷ (1 +
31
100
×
49
2500
) × (1 +
31
100
×
49
2500
) +
119853
800000
( x +
1
10
)(1 +
4481
5000
( x +
1
10
))(1 +
31
100
×
49
2500
)
    Remove a bracket on the right of the equation::
     
18399
5000
× 1 +
18399
5000
×
31
100
×
49
2500
+
82445919
25000000
( x +
1
10
)(1 +
31
100
×
49
2500
) =
229207631
1000000000
x × 100
229207631
1000000000
x ×
1081
10000
229207631
1000000000
x ×
49
2500
+
229207631
10000000000
(100
1081
10000
49
2500
) ÷ (1 +
31
100
×
49
2500
)

    The solution of the equation:
        x1≈-146.305976 , keep 6 decimal places
        x2≈-1.215822 , keep 6 decimal places
        x3≈0.087454 , 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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