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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 5.4/(2.7-x)+2/(2-x)+12/(1.5-x)+3/(1-x) = 0 .
    Question type: Equation
    Solution:Original question:
     
27
5
÷ (
27
10
x ) + 2 ÷ (2 x ) + 12 ÷ (
3
2
x ) + 3 ÷ (1 x ) = 0
     Multiply both sides of the equation by:(
27
10
x )
     
27
5
+ 2 ÷ (2 x ) × (
27
10
x ) + 12 ÷ (
3
2
x ) × (
27
10
x ) + 3 ÷ (1 x ) × (
27
10
x ) = 0
    Remove a bracket on the left of the equation::
     
27
5
+ 2 ÷ (2 x ) ×
27
10
2 ÷ (2 x ) × x + 12 ÷ (
3
2
x ) × (
27
10
x ) + 3 ÷ (1 x ) = 0
    The equation is reduced to :
     
27
5
+
27
5
÷ (2 x )2 ÷ (2 x ) × x + 12 ÷ (
3
2
x ) × (
27
10
x ) + 3 ÷ (1 x ) × (
27
10
x ) = 0
     Multiply both sides of the equation by:(2 x )
     
27
5
(2 x ) +
27
5
2 x + 12 ÷ (
3
2
x ) × (
27
10
x )(2 x ) + 3 ÷ (1 x ) × (
27
10
x ) = 0
    Remove a bracket on the left of the equation:
     
27
5
× 2
27
5
x +
27
5
2 x + 12 ÷ (
3
2
x ) × (
27
10
x )(2 x ) + 3 = 0
    The equation is reduced to :
     
54
5
27
5
x +
27
5
2 x + 12 ÷ (
3
2
x ) × (
27
10
x )(2 x ) + 3 ÷ (1 x ) = 0
    The equation is reduced to :
     
81
5
37
5
x + 12 ÷ (
3
2
x ) × (
27
10
x )(2 x ) + 3 ÷ (1 x ) × (
27
10
x )(2 x ) = 0
     Multiply both sides of the equation by:(
3
2
x )
     
81
5
(
3
2
x )
37
5
x (
3
2
x ) + 12(
27
10
x )(2 x ) + 3 ÷ (1 x ) × (
27
10
x )(2 x ) = 0
    Remove a bracket on the left of the equation:
     
81
5
×
3
2
81
5
x
37
5
x (
3
2
x ) + 12(
27
10
x )(2 x ) + 3 ÷ (1 x ) = 0
    The equation is reduced to :
     
243
10
81
5
x
37
5
x (
3
2
x ) + 12(
27
10
x )(2 x ) + 3 ÷ (1 x ) × (
27
10
x ) = 0
     Multiply both sides of the equation by:(1 x )
     
243
10
(1 x )
81
5
x (1 x )
37
5
x (
3
2
x )(1 x ) + 12(
27
10
x )(2 x ) = 0
    Remove a bracket on the left of the equation:
     
243
10
× 1
243
10
x
81
5
x (1 x )
37
5
x (
3
2
x )(1 x ) + 12 = 0
    The equation is reduced to :
     
243
10
243
10
x
81
5
x (1 x )
37
5
x (
3
2
x )(1 x ) + 12(
27
10
x ) = 0
    Remove a bracket on the left of the equation:
     
243
10
243
10
x
81
5
x × 1 +
81
5
x x
37
5
x (
3
2
x ) = 0
    The equation is reduced to :
     
243
10
243
10
x
81
5
x +
81
5
x x
37
5
x (
3
2
x )(1 x ) = 0
    The equation is reduced to :
     
243
10
81
2
x +
81
5
x x
37
5
x (
3
2
x )(1 x ) + 12(
27
10
x ) = 0
    Remove a bracket on the left of the equation:
     
243
10
81
2
x +
81
5
x x
37
5
x ×
3
2
(1 x ) +
37
5
x = 0
    The equation is reduced to :
     
243
10
81
2
x +
81
5
x x
111
10
x (1 x ) +
37
5
x x = 0
    Remove a bracket on the left of the equation:
     
243
10
81
2
x +
81
5
x x
111
10
x × 1 +
111
10
x x = 0
    The equation is reduced to :
     
243
10
81
2
x +
81
5
x x
111
10
x +
111
10
x x +
37
5
= 0
    The equation is reduced to :
     
243
10
258
5
x +
81
5
x x +
111
10
x x +
37
5
x x = 0

    The solution of the equation:
        x1≈1.086764 , keep 6 decimal places
        x2≈1.919768 , keep 6 decimal places
        x3≈2.426503 , 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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