Mathematics
         
语言:中文    Language:English
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 0.45/(2.25−x)+0.03/(1−x)+0.033/(0.33-x)+0.084/(0.21-x) = 1 .
    Question type: Equation
    Solution:Original question:
     
9
20
÷ (
9
4
− x ) +
3
100
÷ (1 − x ) +
33
1000
÷ (
33
100
− x ) +
21
250
÷ (
21
100
− x ) = 1
     Multiply both sides of the equation by:(
9
4
− x )
     
9
20
+
3
100
÷ (1 − x ) × (
9
4
− x ) +
33
1000
÷ (
33
100
− x ) × (
9
4
− x ) +
21
250
÷ (
21
100
− x ) × (
9
4
− x ) = 1(
9
4
− x )
    Remove a bracket on the left of the equation::
     
9
20
+
3
100
÷ (1 − x ) ×
9
4
−
3
100
÷ (1 − x ) × x +
33
1000
÷ (
33
100
− x ) × (
9
4
− x ) +
21
250
÷ (
21
100
− x ) = 1(
9
4
− x )
    Remove a bracket on the right of the equation::
     
9
20
+
3
100
÷ (1 − x ) ×
9
4
−
3
100
÷ (1 − x ) × x +
33
1000
÷ (
33
100
− x ) × (
9
4
− x ) +
21
250
÷ (
21
100
− x ) = 1 ×
9
4
− 1 x
    The equation is reduced to :
     
9
20
+
27
400
÷ (1 − x ) −
3
100
÷ (1 − x ) × x +
33
1000
÷ (
33
100
− x ) × (
9
4
− x ) +
21
250
÷ (
21
100
− x ) × (
9
4
− x ) =
9
4
− 1 x
     Multiply both sides of the equation by:(1 − x )
     
9
20
(1 − x ) +
27
400
−
3
100
x +
33
1000
÷ (
33
100
− x ) × (
9
4
− x )(1 − x ) +
21
250
÷ (
21
100
− x ) × (
9
4
− x ) =
9
4
(1 − x ) − 1 x (1 − x )
    Remove a bracket on the left of the equation:
     
9
20
× 1 −
9
20
x +
27
400
−
3
100
x +
33
1000
÷ (
33
100
− x ) × (
9
4
− x )(1 − x ) +
21
250
=
9
4
(1 − x ) − 1 x (1 − x )
    Remove a bracket on the right of the equation::
     
9
20
× 1 −
9
20
x +
27
400
−
3
100
x +
33
1000
÷ (
33
100
− x ) × (
9
4
− x )(1 − x ) +
21
250
=
9
4
× 1 −
9
4
x − 1 x (1 − x )
    The equation is reduced to :
     
9
20
−
9
20
x +
27
400
−
3
100
x +
33
1000
÷ (
33
100
− x ) × (
9
4
− x )(1 − x ) +
21
250
÷ (
21
100
− x ) =
9
4
−
9
4
x − 1 x (1 − x )
    The equation is reduced to :
     
207
400
−
12
25
x +
33
1000
÷ (
33
100
− x ) × (
9
4
− x )(1 − x ) +
21
250
÷ (
21
100
− x ) × (
9
4
− x )(1 − x ) =
9
4
−
9
4
x − 1 x (1 − x )
     Multiply both sides of the equation by:(
33
100
− x )
     
207
400
(
33
100
− x ) −
12
25
x (
33
100
− x ) +
33
1000
(
9
4
− x )(1 − x ) +
21
250
÷ (
21
100
− x ) × (
9
4
− x )(1 − x ) =
9
4
(
33
100
− x ) −
9
4
x (
33
100
− x ) − 1 x (1 − x )(
33
100
− x )
    Remove a bracket on the left of the equation:
     
207
400
×
33
100
−
207
400
x −
12
25
x (
33
100
− x ) +
33
1000
(
9
4
− x )(1 − x ) +
21
250
÷ (
21
100
− x ) =
9
4
(
33
100
− x ) −
9
4
x (
33
100
− x ) − 1 x (1 − x )(
33
100
− x )
    Remove a bracket on the right of the equation::
     
207
400
×
33
100
−
207
400
x −
12
25
x (
33
100
− x ) +
33
1000
(
9
4
− x )(1 − x ) +
21
250
÷ (
21
100
− x ) =
9
4
×
33
100
−
9
4
x −
9
4
x (
33
100
− x ) − 1 x (1 − x )(
33
100
− x )
    The equation is reduced to :
     
6831
40000
−
207
400
x −
12
25
x (
33
100
− x ) +
33
1000
(
9
4
− x )(1 − x ) +
21
250
÷ (
21
100
− x ) × (
9
4
− x ) =
297
400
−
9
4
x −
9
4
x (
33
100
− x ) − 1 x (1 − x )(
33
100
− x )
     Multiply both sides of the equation by:(
21
100
− x )
     
6831
40000
(
21
100
− x ) −
207
400
x (
21
100
− x ) −
12
25
x (
33
100
− x )(
21
100
− x ) +
33
1000
(
9
4
− x )(1 − x ) =
297
400
(
21
100
− x ) −
9
4
x (
21
100
− x ) −
9
4
x (
33
100
− x )(
21
100
− x ) − 1 x (1 − x )
    Remove a bracket on the left of the equation:
     
6831
40000
×
21
100
−
6831
40000
x −
207
400
x (
21
100
− x ) −
12
25
x (
33
100
− x )(
21
100
− x ) +
33
1000
=
297
400
(
21
100
− x ) −
9
4
x (
21
100
− x ) −
9
4
x (
33
100
− x )(
21
100
− x ) − 1 x (1 − x )
    Remove a bracket on the right of the equation::
     
6831
40000
×
21
100
−
6831
40000
x −
207
400
x (
21
100
− x ) −
12
25
x (
33
100
− x )(
21
100
− x ) +
33
1000
=
297
400
×
21
100
−
297
400
x −
9
4
x (
21
100
− x ) −
9
4
x (
33
100
− x )(
21
100
− x ) − 1
    The equation is reduced to :
     
143451
4000000
−
6831
40000
x −
207
400
x (
21
100
− x ) −
12
25
x (
33
100
− x )(
21
100
− x ) +
33
1000
(
9
4
− x ) =
6237
40000
−
297
400
x −
9
4
x (
21
100
− x ) −
9
4
x (
33
100
− x )(
21
100
− x ) − 1 x
    Remove a bracket on the left of the equation:
     
143451
4000000
−
6831
40000
x −
207
400
x ×
21
100
+
207
400
x x −
12
25
x (
33
100
− x ) =
6237
40000
−
297
400
x −
9
4
x (
21
100
− x ) −
9
4
x (
33
100
− x )(
21
100
− x ) − 1 x
    Remove a bracket on the right of the equation::
     
143451
4000000
−
6831
40000
x −
207
400
x ×
21
100
+
207
400
x x −
12
25
x (
33
100
− x ) =
6237
40000
−
297
400
x −
9
4
x ×
21
100
+
9
4
x x −
9
4
x (
33
100
− x )
    The equation is reduced to :
     
143451
4000000
−
6831
40000
x −
4347
40000
x +
207
400
x x −
12
25
x (
33
100
− x )(
21
100
− x ) =
6237
40000
−
297
400
x −
189
400
x +
9
4
x x −
9
4
x (
33
100
− x )(
21
100
− x )
    The equation is reduced to :
     
143451
4000000
−
5589
20000
x +
207
400
x x −
12
25
x (
33
100
− x )(
21
100
− x ) +
33
1000
(
9
4
− x ) =
6237
40000
−
243
200
x +
9
4
x x −
9
4
x (
33
100
− x )(
21
100
− x ) − 1 x

    The solution of the equation:
        x1≈0.076702 , keep 6 decimal places
        x2≈0.963143 , keep 6 decimal places
        x3≈1.844133 , keep 6 decimal places
    
    There are 3 solution(s).


解程的详细方法请参阅:《方程的解法》



Your problem has not been solved here? Please go to the Hot Problems section!