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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 x+1.27×(10-x) = 12 .
    Question type: Equation
    Solution:Original question:
      x +
127
100
(10 x ) = 12
    Remove the bracket on the left of the equation:
     Left side of the equation = x +
127
100
× 10
127
100
x
                                             = x +
127
10
127
100
x
                                             = -
27
100
x +
127
10
    The equation is transformed into :
      -
27
100
x +
127
10
= 12

    Transposition :
      -
27
100
x = 12
127
10

    Combine the items on the right of the equation:
      -
27
100
x = -
7
10

    By shifting the terms and changing the symbols on toth sides of the equation, we obtain :
     
7
10
=
27
100
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 :
     
27
100
x =
7
10

    The coefficient of the unknown number is reduced to 1 :
      x =
7
10
÷
27
100
        =
7
10
×
100
27
        = 7 ×
10
27

    We obtained :
      x =
70
27
    This is the solution of the equation.

    Convert the result to decimal form :
      x = 2.592593



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