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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 0.85(x+2) = 1.25x .
    Question type: Equation
    Solution:Original question:
     
17
20
( x + 2) =
5
4
x
    Remove the bracket on the left of the equation:
     Left side of the equation =
17
20
x +
17
20
× 2
                                             =
17
20
x +
17
10
    The equation is transformed into :
     
17
20
x +
17
10
=
5
4
x

    Transposition :
     
17
20
x
5
4
x = -
17
10

    Combine the items on the left of the equation:
      -
2
5
x = -
17
10

    By shifting the terms and changing the symbols on toth sides of the equation, we obtain :
     
17
10
=
2
5
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 :
     
2
5
x =
17
10

    The coefficient of the unknown number is reduced to 1 :
      x =
17
10
÷
2
5
        =
17
10
×
5
2
        =
17
2
×
1
2

    We obtained :
      x =
17
4
    This is the solution of the equation.

    Convert the result to decimal form :
      x = 4.25



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