Mathematics
         
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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 23.2% = 105%+r+105%*r .
    Question type: Equation
    Solution:Original question:
     
116
500
=
105
100
+ r +
105
100
r
     Right side of the equation =
105
100
+
41
20
r
    The equation is transformed into :
     
116
500
=
105
100
+
41
20
r

    Transposition :
      -
41
20
r =
105
100
116
500

    Combine the items on the right of the equation:
      -
41
20
r =
409
500

    By shifting the terms and changing the symbols on toth sides of the equation, we obtain :
      -
409
500
=
41
20
r

    If the left side of the equation is equal to the right side, then the right side must also be equal to the left side, that is :
     
41
20
r = -
409
500

    The coefficient of the unknown number is reduced to 1 :
      r = -
409
500
÷
41
20
        = -
409
500
×
20
41
        = -
409
25
×
1
41

    We obtained :
      r = -
409
1025
    This is the solution of the equation.

    Convert the result to decimal form :
      r = - 0.399024



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