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 0.07 = (0.7-0.05)*X+0.05 .
    Question type: Equation
    Solution:Original question:
     
7
100
= (
7
10
1
20
) X +
1
20
    Remove the bracket on the right of the equation:
     Right side of the equation =
7
10
X
1
20
X +
1
20
                                               =
13
20
X +
1
20
    The equation is transformed into :
     
7
100
=
13
20
X +
1
20

    Transposition :
      -
13
20
X =
1
20
7
100

    Combine the items on the right of the equation:
      -
13
20
X = -
1
50

    By shifting the terms and changing the symbols on toth sides of the equation, we obtain :
     
1
50
=
13
20
X

    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 :
     
13
20
X =
1
50

    The coefficient of the unknown number is reduced to 1 :
      X =
1
50
÷
13
20
        =
1
50
×
20
13
        =
1
5
×
2
13

    We obtained :
      X =
2
65
    This is the solution of the equation.

    Convert the result to decimal form :
      X = 0.030769



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