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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 25.948*0.05/(25.948-x)+6.137*0.15/(6.137-x)+2.37*0.35/(2.37-x)+0.4/(1-x)+0.903*0.05/(0.903-x) = 0 .
    Question type: Equation
    Solution:Original question:
     
6487
250
×
1
20
÷ (
6487
250
x ) +
6137
1000
×
3
20
÷ (
6137
1000
x ) +
237
100
×
7
20
÷ (
237
100
x ) +
2
5
÷ (1 x ) +
903
1000
= 0
     Multiply both sides of the equation by:(
6487
250
x )
     
6487
250
×
1
20
+
6137
1000
×
3
20
÷ (
6137
1000
x ) × (
6487
250
x ) +
237
100
×
7
20
÷ (
237
100
x ) × (
6487
250
x ) +
2
5
÷ (1 x ) = 0
    Remove a bracket on the left of the equation::
     
6487
250
×
1
20
+
6137
1000
×
3
20
÷ (
6137
1000
x ) ×
6487
250
6137
1000
×
3
20
÷ (
6137
1000
x ) × x +
237
100
×
7
20
= 0
    The equation is reduced to :
     
6487
5000
+
119432157
5000000
÷ (
6137
1000
x )
18411
20000
÷ (
6137
1000
x ) × x +
1659
2000
÷ (
237
100
x ) × (
6487
250
x ) +
2
5
÷ (1 x ) × (
6487
250
x ) = 0
     Multiply both sides of the equation by:(
6137
1000
x )
     
6487
5000
(
6137
1000
x ) +
119432157
5000000
18411
20000
x +
1659
2000
÷ (
237
100
x ) × (
6487
250
x )(
6137
1000
x ) +
2
5
÷ (1 x ) × (
6487
250
x ) = 0
    Remove a bracket on the left of the equation:
     
6487
5000
×
6137
1000
6487
5000
x +
119432157
5000000
18411
20000
x +
1659
2000
÷ (
237
100
x ) × (
6487
250
x )(
6137
1000
x ) +
2
5
= 0
    The equation is reduced to :
     
39810719
5000000
6487
5000
x +
119432157
5000000
18411
20000
x +
1659
2000
÷ (
237
100
x ) × (
6487
250
x )(
6137
1000
x ) +
2
5
÷ (1 x ) = 0
    The equation is reduced to :
     
39810719
1250000
44359
20000
x +
1659
2000
÷ (
237
100
x ) × (
6487
250
x )(
6137
1000
x ) +
2
5
÷ (1 x ) × (
6487
250
x )(
6137
1000
x ) +
903
20000
= 0
     Multiply both sides of the equation by:(
237
100
x )
     
39810719
1250000
(
237
100
x )
44359
20000
x (
237
100
x ) +
1659
2000
(
6487
250
x )(
6137
1000
x ) +
2
5
÷ (1 x ) × (
6487
250
x )(
6137
1000
x ) = 0
    Remove a bracket on the left of the equation:
     
39810719
1250000
×
237
100
39810719
1250000
x
44359
20000
x (
237
100
x ) +
1659
2000
(
6487
250
x )(
6137
1000
x ) +
2
5
÷ (1 x ) = 0
    The equation is reduced to :
     
9435140403
125000000
39810719
1250000
x
44359
20000
x (
237
100
x ) +
1659
2000
(
6487
250
x )(
6137
1000
x ) +
2
5
÷ (1 x ) × (
6487
250
x ) = 0
     Multiply both sides of the equation by:(1 x )
     
9435140403
125000000
(1 x )
39810719
1250000
x (1 x )
44359
20000
x (
237
100
x )(1 x ) +
1659
2000
(
6487
250
x )(
6137
1000
x ) = 0
    Remove a bracket on the left of the equation:
     
9435140403
125000000
× 1
9435140403
125000000
x
39810719
1250000
x (1 x )
44359
20000
x (
237
100
x )(1 x ) +
1659
2000
= 0
    The equation is reduced to :
     
9435140403
125000000
9435140403
125000000
x
39810719
1250000
x (1 x )
44359
20000
x (
237
100
x )(1 x ) +
1659
2000
(
6487
250
x ) = 0
     Multiply both sides of the equation by:(
903
1000
x )
     
9435140403
125000000
(
903
1000
x )
9435140403
125000000
x (
903
1000
x )
39810719
1250000
x (1 x )(
903
1000
x )
44359
20000
x (
237
100
x ) = 0
    Remove a bracket on the left of the equation:
     
9435140403
125000000
×
903
1000
9435140403
125000000
x
9435140403
125000000
x (
903
1000
x )
39810719
1250000
x (1 x )(
903
1000
x )
44359
20000
= 0

    After the equation is converted into a general formula, there is a common factor:
    ( 1000x - √316772291 )
    From
        1000x - √316772291 = 0

    it is concluded that::
        x1=
√316772291
1000

    Solutions that cannot be obtained by factorization:
        x2≈1.396830 , keep 6 decimal places
        x3≈4.306026 , keep 6 decimal places
    
    There are 3 solution(s).


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