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 (x+1)÷2+(x+2)÷3 = x .
    Question type: Equation
    Solution:Original question:
     ( x + 1) ÷ 2 + ( x + 2) ÷ 3 = x
    Remove the bracket on the left of the equation:
     Left side of the equation = x ×
1
2
+ 1 ×
1
2
+ ( x + 2) ×
1
3
                                             = x ×
1
2
+
1
2
+ ( x + 2) ×
1
3
                                             =
1
2
x +
1
2
+ x ×
1
3
+ 2 ×
1
3
                                             =
1
2
x +
1
2
+ x ×
1
3
+
2
3
                                             =
5
6
x +
7
6
    The equation is transformed into :
     
5
6
x +
7
6
= x

    Transposition :
     
5
6
x x = -
7
6

    Combine the items on the left of the equation:
     
1
6
x = -
7
6

    By shifting the terms and changing the symbols on toth sides of the equation, we obtain :
     
7
6
=
1
6
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 :
     
1
6
x =
7
6

    The coefficient of the unknown number is reduced to 1 :
      x =
7
6
÷
1
6
        =
7
6
× 6
        = 7 × 1

    We obtained :
      x = 7
    This is the solution of the equation.



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