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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 21.6/x-21.6/(x+3) = 0.1 .
    Question type: Equation
    Solution:Original question:
     
108
5
÷ x
108
5
÷ ( x + 3) =
1
10
     Multiply both sides of the equation by: x
     
108
5
108
5
÷ ( x + 3) × x =
1
10
x
     Multiply both sides of the equation by:( x + 3)
     
108
5
( x + 3)
108
5
x =
1
10
x ( x + 3)
    Remove a bracket on the left of the equation:
     
108
5
x +
108
5
× 3
108
5
x =
1
10
x ( x + 3)
    Remove a bracket on the right of the equation::
     
108
5
x +
108
5
× 3
108
5
x =
1
10
x x +
1
10
x × 3
    The equation is reduced to :
     
108
5
x +
324
5
108
5
x =
1
10
x x +
3
10
x
    The equation is reduced to :
      0 x +
324
5
=
1
10
x x +
3
10
x

    After the equation is converted into a general formula, it is converted into:
    ( x + 27 )( x - 24 )=0
    From
        x + 27 = 0
        x - 24 = 0

    it is concluded that::
        x1=-27
        x2=24
    
    There are 2 solution(s).


解一元二次方程的详细方法请参阅:《一元二次方程的解法》



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