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    Input any unary equation directly, and then click the "Next" button to obtain the solution of the equation.
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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 39.5/(1.03+x)+31.65/[(1.03+x)(1.0714+x)] = 100 .
    Question type: Equation
    Solution:Original question:
     
79
2
÷ (
103
100
+ x ) +
633
20
÷ ((
103
100
+ x )(
5357
5000
+ x )) = 100
     Multiply both sides of the equation by:(
103
100
+ x )
     
79
2
+
633
20
÷ ((
103
100
+ x )(
5357
5000
+ x )) × (
103
100
+ x ) = 100(
103
100
+ x )
    Remove a bracket on the left of the equation::
     
79
2
+
633
20
÷ ((
103
100
+ x )(
5357
5000
+ x )) ×
103
100
+
633
20
÷ ((
103
100
+ x )(
5357
5000
+ x )) × x = 100(
103
100
+ x )
    Remove a bracket on the right of the equation::
     
79
2
+
633
20
÷ ((
103
100
+ x )(
5357
5000
+ x )) ×
103
100
+
633
20
÷ ((
103
100
+ x )(
5357
5000
+ x )) × x = 100 ×
103
100
+ 100 x
    The equation is reduced to :
     
79
2
+
65199
2000
÷ ((
103
100
+ x )(
5357
5000
+ x )) +
633
20
÷ ((
103
100
+ x )(
5357
5000
+ x )) × x = 103 + 100 x
     Multiply both sides of the equation by:((
103
100
+ x )(
5357
5000
+ x ))
     
79
2
((
103
100
+ x )(
5357
5000
+ x )) +
65199
2000
+
633
20
÷ ((
103
100
+ x )(
5357
5000
+ x )) × x ((
103
100
+ x )(
5357
5000
+ x )) = 103((
103
100
+ x )(
5357
5000
+ x )) + 100 x ((
103
100
+ x )(
5357
5000
+ x ))
    Remove a bracket on the left of the equation:
     
79
2
(
103
100
+ x )(
5357
5000
+ x ) +
65199
2000
+
633
20
÷ ((
103
100
+ x )(
5357
5000
+ x )) × x ((
103
100
+ x )(
5357
5000
+ x )) = 103((
103
100
+ x )(
5357
5000
+ x )) + 100 x ((
103
100
+ x )(
5357
5000
+ x ))
    Remove a bracket on the right of the equation::
     
79
2
(
103
100
+ x )(
5357
5000
+ x ) +
65199
2000
+
633
20
÷ ((
103
100
+ x )(
5357
5000
+ x )) × x ((
103
100
+ x )(
5357
5000
+ x )) = 103(
103
100
+ x )(
5357
5000
+ x ) + 100 x ((
103
100
+ x )(
5357
5000
+ x ))
     Multiply both sides of the equation by:((
103
100
+ x )(
5357
5000
+ x ))
     
79
2
(
103
100
+ x )(
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) +
65199
2000
((
103
100
+ x )(
5357
5000
+ x )) +
633
20
x ((
103
100
+ x )(
5357
5000
+ x )) = 103(
103
100
+ x )(
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) + 100 x ((
103
100
+ x )(
5357
5000
+ x ))((
103
100
+ x )(
5357
5000
+ x ))
    Remove a bracket on the left of the equation:
     
79
2
×
103
100
(
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) +
79
2
x (
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) +
65199
2000
((
103
100
+ x )(
5357
5000
+ x )) +
633
20
x = 103(
103
100
+ x )(
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) + 100 x ((
103
100
+ x )(
5357
5000
+ x ))((
103
100
+ x )(
5357
5000
+ x ))
    Remove a bracket on the right of the equation::
     
79
2
×
103
100
(
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) +
79
2
x (
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) +
65199
2000
((
103
100
+ x )(
5357
5000
+ x )) +
633
20
x = 103 ×
103
100
(
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) + 103 x (
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) + 100 x ((
103
100
+ x )(
5357
5000
+ x ))((
103
100
+ x )(
5357
5000
+ x ))
    The equation is reduced to :
     
8137
200
(
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) +
79
2
x (
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) +
65199
2000
((
103
100
+ x )(
5357
5000
+ x )) +
633
20
x ((
103
100
+ x )(
5357
5000
+ x )) =
10609
100
(
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) + 103 x (
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) + 100 x ((
103
100
+ x )(
5357
5000
+ x ))((
103
100
+ x )(
5357
5000
+ x ))
    Remove a bracket on the left of the equation:
     
8137
200
×
5357
5000
((
103
100
+ x )(
5357
5000
+ x )) +
8137
200
x ((
103
100
+ x )(
5357
5000
+ x )) +
79
2
x (
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) +
65199
2000
((
103
100
+ x )(
5357
5000
+ x )) =
10609
100
(
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) + 103 x (
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) + 100 x ((
103
100
+ x )(
5357
5000
+ x ))((
103
100
+ x )(
5357
5000
+ x ))
    Remove a bracket on the right of the equation::
     
8137
200
×
5357
5000
((
103
100
+ x )(
5357
5000
+ x )) +
8137
200
x ((
103
100
+ x )(
5357
5000
+ x )) +
79
2
x (
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) +
65199
2000
((
103
100
+ x )(
5357
5000
+ x )) =
10609
100
×
5357
5000
((
103
100
+ x )(
5357
5000
+ x )) +
10609
100
x ((
103
100
+ x )(
5357
5000
+ x )) + 103 x (
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) + 100 x
    The equation is reduced to :
     
43589909
1000000
((
103
100
+ x )(
5357
5000
+ x )) +
8137
200
x ((
103
100
+ x )(
5357
5000
+ x )) +
79
2
x (
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) +
65199
2000
((
103
100
+ x )(
5357
5000
+ x )) +
633
20
=
56832413
500000
((
103
100
+ x )(
5357
5000
+ x )) +
10609
100
x ((
103
100
+ x )(
5357
5000
+ x )) + 103 x (
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) + 100 x ((
103
100
+ x )(
5357
5000
+ x ))
    Remove a bracket on the left of the equation:
     
43589909
1000000
(
103
100
+ x )(
5357
5000
+ x ) +
8137
200
x ((
103
100
+ x )(
5357
5000
+ x )) +
79
2
x (
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) +
65199
2000
((
103
100
+ x )(
5357
5000
+ x )) =
56832413
500000
((
103
100
+ x )(
5357
5000
+ x )) +
10609
100
x ((
103
100
+ x )(
5357
5000
+ x )) + 103 x (
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) + 100 x ((
103
100
+ x )(
5357
5000
+ x ))
    Remove a bracket on the right of the equation::
     
43589909
1000000
(
103
100
+ x )(
5357
5000
+ x ) +
8137
200
x ((
103
100
+ x )(
5357
5000
+ x )) +
79
2
x (
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) +
65199
2000
((
103
100
+ x )(
5357
5000
+ x )) =
56832413
500000
(
103
100
+ x )(
5357
5000
+ x ) +
10609
100
x ((
103
100
+ x )(
5357
5000
+ x )) + 103 x (
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) + 100 x
    Remove a bracket on the left of the equation:
     
43589909
1000000
×
103
100
(
5357
5000
+ x ) +
43589909
1000000
x (
5357
5000
+ x ) +
8137
200
x ((
103
100
+ x )(
5357
5000
+ x )) +
79
2
x (
5357
5000
+ x ) =
56832413
500000
(
103
100
+ x )(
5357
5000
+ x ) +
10609
100
x ((
103
100
+ x )(
5357
5000
+ x )) + 103 x (
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) + 100 x
    Remove a bracket on the right of the equation::
     
43589909
1000000
×
103
100
(
5357
5000
+ x ) +
43589909
1000000
x (
5357
5000
+ x ) +
8137
200
x ((
103
100
+ x )(
5357
5000
+ x )) +
79
2
x (
5357
5000
+ x ) =
56832413
500000
×
103
100
(
5357
5000
+ x ) +
56832413
500000
x (
5357
5000
+ x ) +
10609
100
x ((
103
100
+ x )(
5357
5000
+ x )) + 103 x (
5357
5000
+ x )
    The equation is reduced to :
     
4489760627
100000000
(
5357
5000
+ x ) +
43589909
1000000
x (
5357
5000
+ x ) +
8137
200
x ((
103
100
+ x )(
5357
5000
+ x )) +
79
2
x (
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x )) =
5853738539
50000000
(
5357
5000
+ x ) +
56832413
500000
x (
5357
5000
+ x ) +
10609
100
x ((
103
100
+ x )(
5357
5000
+ x )) + 103 x (
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x ))
    Remove a bracket on the left of the equation:
     
4489760627
100000000
×
5357
5000
+
4489760627
100000000
x +
43589909
1000000
x (
5357
5000
+ x ) +
8137
200
x ((
103
100
+ x )(
5357
5000
+ x )) +
79
2
x =
5853738539
50000000
(
5357
5000
+ x ) +
56832413
500000
x (
5357
5000
+ x ) +
10609
100
x ((
103
100
+ x )(
5357
5000
+ x )) + 103 x (
5357
5000
+ x )((
103
100
+ x )(
5357
5000
+ x ))
    Remove a bracket on the right of the equation::
     
4489760627
100000000
×
5357
5000
+
4489760627
100000000
x +
43589909
1000000
x (
5357
5000
+ x ) +
8137
200
x ((
103
100
+ x )(
5357
5000
+ x )) +
79
2
x =
5853738539
50000000
×
5357
5000
+
5853738539
50000000
x +
56832413
500000
x (
5357
5000
+ x ) +
10609
100
x ((
103
100
+ x )(
5357
5000
+ x )) + 103 x

    The solution of the equation:
        x1≈-1.456616 , keep 6 decimal places
        x2≈-0.249784 , keep 6 decimal places
    
    There are 2 solution(s).


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