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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 (1-20%)x/(1-25%) = 0.2x .
    Question type: Equation
    Solution:Original question:
     (1
20
100
) x ÷ (1
25
100
) =
1
5
x
     Multiply both sides of the equation by:(1
25
100
)
     (1
20
100
) x =
1
5
x (1
25
100
)
    Remove a bracket on the left of the equation::
     1 x
20
100
x =
1
5
x (1
25
100
)
    Remove a bracket on the right of the equation::
     1 x
20
100
x =
1
5
x × 1
1
5
x ×
25
100
    The equation is reduced to :
     1 x
20
100
x =
1
5
x
1
20
x
    The equation is reduced to :
     
4
5
x =
3
20
x

    Transposition :
     
4
5
x
3
20
x = 0

    Combine the items on the left of the equation:
     
13
20
x = 0

    The coefficient of the unknown number is reduced to 1 :
      x = 0 ÷
13
20
        = 0 ×
20
13

    We obtained :
      x = 0
    This is the solution of the equation.



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