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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 (0.525x+2.16)/(1.7x+7.7)+3.3/(x+11) = 0.385 .
    Question type: Equation
    Solution:Original question:
     (
21
40
 x +
54
25
) ÷ (
17
10
 x +
77
10
) +
33
10
 ÷ ( x + 11) =
77
200
     Multiply both sides of the equation by:(
17
10
 x +
77
10
)
     (
21
40
 x +
54
25
) +
33
10
 ÷ ( x + 11) × (
17
10
 x +
77
10
) =
77
200
(
17
10
 x +
77
10
)
    Remove a bracket on the left of the equation:：
     
21
40
 x +
54
25
 +
33
10
 ÷ ( x + 11) × (
17
10
 x +
77
10
) =
77
200
(
17
10
 x +
77
10
)
    Remove a bracket on the right of the equation:：
     
21
40
 x +
54
25
 +
33
10
 ÷ ( x + 11) × (
17
10
 x +
77
10
) =
77
200
 ×
17
10
 x +
77
200
 ×
77
10
    The equation is reduced to :
     
21
40
 x +
54
25
 +
33
10
 ÷ ( x + 11) × (
17
10
 x +
77
10
) =
1309
2000
 x +
5929
2000
     Multiply both sides of the equation by:( x + 11)
     
21
40
 x ( x + 11) +
54
25
( x + 11) +
33
10
(
17
10
 x +
77
10
) =
1309
2000
 x ( x + 11) +
5929
2000
( x + 11)
    Remove a bracket on the left of the equation:
     
21
40
 x x +
21
40
 x × 11 +
54
25
( x + 11) +
33
10
(
17
10
 x +
77
10
) =
1309
2000
 x ( x + 11) +
5929
2000
( x + 11)
    Remove a bracket on the right of the equation:：
     
21
40
 x x +
21
40
 x × 11 +
54
25
( x + 11) +
33
10
(
17
10
 x +
77
10
) =
1309
2000
 x x +
1309
2000
 x × 11 +
5929
2000
( x + 11)
    The equation is reduced to :
     
21
40
 x x +
231
40
 x +
54
25
( x + 11) +
33
10
(
17
10
 x +
77
10
) =
1309
2000
 x x +
14399
2000
 x +
5929
2000
( x + 11)
    Remove a bracket on the left of the equation:
     
21
40
 x x +
231
40
 x +
54
25
 x +
54
25
 × 11 +
33
10
(
17
10
 x +
77
10
) =
1309
2000
 x x +
14399
2000
 x +
5929
2000
( x + 11)
    Remove a bracket on the right of the equation:：
     
21
40
 x x +
231
40
 x +
54
25
 x +
54
25
 × 11 +
33
10
(
17
10
 x +
77
10
) =
1309
2000
 x x +
14399
2000
 x +
5929
2000
 x +
5929
2000
 × 11
    The equation is reduced to :
     
21
40
 x x +
231
40
 x +
54
25
 x +
594
25
 +
33
10
(
17
10
 x +
77
10
) =
1309
2000
 x x +
14399
2000
 x +
5929
2000
 x +
65219
2000
    The equation is reduced to :
     
21
40
 x x +
1587
200
 x +
594
25
 +
33
10
(
17
10
 x +
77
10
) =
1309
2000
 x x +
2541
250
 x +
65219
2000
    Remove a bracket on the left of the equation:
     
21
40
 x x +
1587
200
 x +
594
25
 +
33
10
 ×
17
10
 x +
33
10
 ×
77
10
 =
1309
2000
 x x +
2541
250
 x +
65219
2000
    The equation is reduced to :
     
21
40
 x x +
1587
200
 x +
594
25
 +
561
100
 x +
2541
100
 =
1309
2000
 x x +
2541
250
 x +
65219
2000
    The equation is reduced to :
     
21
40
 x x +
2709
200
 x +
4917
100
 =
1309
2000
 x x +
2541
250
 x +
65219
2000

    The solution of the equation:
        x1≈-4.529412 , keep 6 decimal places
        x2≈-4.216981 , keep 6 decimal places
        x3≈30.325089 , 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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