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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 (170+0.6*588)*(1-0.55*x/(100+0.55*x)) = (170+0.6*609)*(1-0.65*x-15/(85+0.65*x)) .
    Question type: Equation
    Solution:Original question:
     (170 +
3
5
× 588)(1
11
20
x ÷ (100 +
11
20
x )) = (170 +
3
5
× 609)(1
13
20
x 15 ÷ (85 +
13
20
x ))
    Remove a bracket on the left of the equation::
     170(1
11
20
x ÷ (100 +
11
20
x )) +
3
5
× 588(1
11
20
x ÷ (100 +
11
20
x )) = (170 +
3
5
× 609)(1
13
20
x 15 ÷ (85 +
13
20
x ))
    Remove a bracket on the right of the equation::
     170(1
11
20
x ÷ (100 +
11
20
x )) +
3
5
× 588(1
11
20
x ÷ (100 +
11
20
x )) = 170(1
13
20
x 15 ÷ (85 +
13
20
x )) +
3
5
× 609(1
13
20
x 15 ÷ (85 +
13
20
x ))
    The equation is reduced to :
     170(1
11
20
x ÷ (100 +
11
20
x )) +
1764
5
(1
11
20
x ÷ (100 +
11
20
x )) = 170(1
13
20
x 15 ÷ (85 +
13
20
x )) +
1827
5
(1
13
20
x 15 ÷ (85 +
13
20
x ))
    Remove a bracket on the left of the equation:
     170 × 1170 ×
11
20
x ÷ (100 +
11
20
x ) +
1764
5
(1
11
20
x ÷ (100 +
11
20
x )) = 170(1
13
20
x 15 ÷ (85 +
13
20
x )) +
1827
5
(1
13
20
x 15 ÷ (85 +
13
20
x ))
    Remove a bracket on the right of the equation::
     170 × 1170 ×
11
20
x ÷ (100 +
11
20
x ) +
1764
5
(1
11
20
x ÷ (100 +
11
20
x )) = 170 × 1170 ×
13
20
x 170 × 15 ÷ (85 +
13
20
x ) +
1827
5
(1
13
20
x 15 ÷ (85 +
13
20
x ))
    The equation is reduced to :
     170
187
2
x ÷ (100 +
11
20
x ) +
1764
5
(1
11
20
x ÷ (100 +
11
20
x )) = 170
221
2
x 2550 ÷ (85 +
13
20
x ) +
1827
5
(1
13
20
x 15 ÷ (85 +
13
20
x ))
     Multiply both sides of the equation by:(100 +
11
20
x ) ,  (85 +
13
20
x )
     170(100 +
11
20
x )(85 +
13
20
x )
187
2
x (85 +
13
20
x ) +
1764
5
(1
11
20
x ÷ (100 +
11
20
x ))(100 +
11
20
x )(85 +
13
20
x ) = 170(100 +
11
20
x )(85 +
13
20
x )
221
2
x (100 +
11
20
x )(85 +
13
20
x )2550(100 +
11
20
x ) +
1827
5
(1
13
20
x 15 ÷ (85 +
13
20
x ))(100 +
11
20
x )
    Remove a bracket on the left of the equation:
     170 × 100(85 +
13
20
x ) + 170 ×
11
20
x (85 +
13
20
x )
187
2
x (85 +
13
20
x ) +
1764
5
(1
11
20
x ÷ (100 +
11
20
x )) = 170(100 +
11
20
x )(85 +
13
20
x )
221
2
x (100 +
11
20
x )(85 +
13
20
x )2550(100 +
11
20
x ) +
1827
5
(1
13
20
x 15 ÷ (85 +
13
20
x ))(100 +
11
20
x )
    Remove a bracket on the right of the equation::
     170 × 100(85 +
13
20
x ) + 170 ×
11
20
x (85 +
13
20
x )
187
2
x (85 +
13
20
x ) +
1764
5
(1
11
20
x ÷ (100 +
11
20
x )) = 170 × 100(85 +
13
20
x ) + 170 ×
11
20
x (85 +
13
20
x )
221
2
x (100 +
11
20
x )(85 +
13
20
x )2550
    The equation is reduced to :
     17000(85 +
13
20
x ) +
187
2
x (85 +
13
20
x )
187
2
x (85 +
13
20
x ) +
1764
5
(1
11
20
x ÷ (100 +
11
20
x ))(100 +
11
20
x )(85 +
13
20
x ) = 17000(85 +
13
20
x ) +
187
2
x (85 +
13
20
x )
221
2
x (100 +
11
20
x )(85 +
13
20
x )2550(100 +
11
20
x ) +
1827
5
    Remove a bracket on the left of the equation:
     17000 × 85 + 17000 ×
13
20
x +
187
2
x (85 +
13
20
x )
187
2
x (85 +
13
20
x ) +
1764
5
= 17000(85 +
13
20
x ) +
187
2
x (85 +
13
20
x )
221
2
x (100 +
11
20
x )(85 +
13
20
x )2550(100 +
11
20
x ) +
1827
5
    Remove a bracket on the right of the equation::
     17000 × 85 + 17000 ×
13
20
x +
187
2
x (85 +
13
20
x )
187
2
x (85 +
13
20
x ) +
1764
5
= 17000 × 85 + 17000 ×
13
20
x +
187
2
x (85 +
13
20
x )
221
2
x (100 +
11
20
x )(85 +
13
20
x )
    The equation is reduced to :
     1445000 + 11050 x +
187
2
x (85 +
13
20
x )
187
2
x (85 +
13
20
x ) +
1764
5
(1
11
20
x ÷ (100 +
11
20
x ))(100 +
11
20
x ) = 1445000 + 11050 x +
187
2
x (85 +
13
20
x )
221
2
x (100 +
11
20
x )(85 +
13
20
x )2550(100 +
11
20
x )
    Remove a bracket on the left of the equation:
     1445000 + 11050 x +
187
2
x × 85 +
187
2
x ×
13
20
x
187
2
x = 1445000 + 11050 x +
187
2
x (85 +
13
20
x )
221
2
x (100 +
11
20
x )(85 +
13
20
x )2550(100 +
11
20
x )
    Remove a bracket on the right of the equation::
     1445000 + 11050 x +
187
2
x × 85 +
187
2
x ×
13
20
x
187
2
x = 1445000 + 11050 x +
187
2
x × 85 +
187
2
x ×
13
20
x
221
2
x
    The equation is reduced to :
     1445000 + 11050 x +
15895
2
x +
2431
40
x x
187
2
x (85 +
13
20
x ) +
1764
5
= 1445000 + 11050 x +
15895
2
x +
2431
40
x x
221
2
x (100 +
11
20
x )(85 +
13
20
x )
    The equation is reduced to :
     1445000 +
37995
2
x +
2431
40
x x
187
2
x (85 +
13
20
x ) +
1764
5
(1
11
20
x ÷ (100 +
11
20
x ))(100 +
11
20
x ) = 1445000 +
37995
2
x +
2431
40
x x
221
2
x (100 +
11
20
x )(85 +
13
20
x )2550(100 +
11
20
x )
    Remove a bracket on the left of the equation:
     1445000 +
37995
2
x +
2431
40
x x
187
2
x × 85
187
2
x ×
13
20
= 1445000 +
37995
2
x +
2431
40
x x
221
2
x (100 +
11
20
x )(85 +
13
20
x )2550(100 +
11
20
x )
    Remove a bracket on the right of the equation::
     1445000 +
37995
2
x +
2431
40
x x
187
2
x × 85
187
2
x ×
13
20
= 1445000 +
37995
2
x +
2431
40
x x
221
2
x × 100(85 +
13
20
x )
221
2
x
    The equation is reduced to :
     1445000 +
37995
2
x +
2431
40
x x
15895
2
x
2431
40
x x +
1764
5
= 1445000 +
37995
2
x +
2431
40
x x 11050 x (85 +
13
20
x )
2431
40
x x
    The equation is reduced to :
     1445000 + 11050 x +
2431
40
x x
2431
40
x x +
1764
5
(1
11
20
x ÷ (100 +
11
20
x ))(100 +
11
20
x ) = 1445000 +
37995
2
x +
2431
40
x x 11050 x (85 +
13
20
x )
2431
40
x x
    Remove a bracket on the left of the equation:
     1445000 + 11050 x +
2431
40
x x
2431
40
x x +
1764
5
× 1(100 +
11
20
x ) = 1445000 +
37995
2
x +
2431
40
x x 11050 x (85 +
13
20
x )
2431
40
x x
    Remove a bracket on the right of the equation::
     1445000 + 11050 x +
2431
40
x x
2431
40
x x +
1764
5
× 1(100 +
11
20
x ) = 1445000 +
37995
2
x +
2431
40
x x 11050 x × 8511050 x ×
13
20

    The solution of the equation:
        x1≈-180.322171 , keep 6 decimal places
        x2≈-130.769231 , keep 6 decimal places
        x3≈-130.489032 , keep 6 decimal places
        x4≈-0.237749 , keep 6 decimal places
    
    There are 4 solution(s).


解程的详细方法请参阅:《方程的解法》



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