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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: 6 questions will be solved this time.Among them
           ☆6 equations

[ 1/6 Equation]
    Work: Find the solution of equation 0.8x+0.7x-3.3 = 1.2 .
    Question type: Equation
    Solution:Original question:
     
4
5
x +
7
10
x
33
10
=
6
5
     Left side of the equation =
3
2
x
33
10
    The equation is transformed into :
     
3
2
x
33
10
=
6
5

    Transposition :
     
3
2
x =
6
5
+
33
10

    Combine the items on the right of the equation:
     
3
2
x =
9
2

    The coefficient of the unknown number is reduced to 1 :
      x =
9
2
÷
3
2
        =
9
2
×
2
3
        = 3 × 1

    We obtained :
      x = 3
    This is the solution of the equation.

[ 2/6 Equation]
    Work: Find the solution of equation 0.8x+4.2 = 5+0.6x .
    Question type: Equation
    Solution:Original question:
     
4
5
x +
21
5
= 5 +
3
5
x

    Transposition :
     
4
5
x
3
5
x = 5
21
5

    Combine the items on the left of the equation:
     
1
5
x = 5
21
5

    Combine the items on the right of the equation:
     
1
5
x =
4
5

    The coefficient of the unknown number is reduced to 1 :
      x =
4
5
÷
1
5
        =
4
5
× 5
        = 4 × 1

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

[ 3/6 Equation]
    Work: Find the solution of equation 0.7x+2.4 = 9+0.1x .
    Question type: Equation
    Solution:Original question:
     
7
10
x +
12
5
= 9 +
1
10
x

    Transposition :
     
7
10
x
1
10
x = 9
12
5

    Combine the items on the left of the equation:
     
3
5
x = 9
12
5

    Combine the items on the right of the equation:
     
3
5
x =
33
5

    The coefficient of the unknown number is reduced to 1 :
      x =
33
5
÷
3
5
        =
33
5
×
5
3
        = 11 × 1

    We obtained :
      x = 11
    This is the solution of the equation.

[ 4/6 Equation]
    Work: Find the solution of equation 0.5x+0.4x+1.3 = 2.2 .
    Question type: Equation
    Solution:Original question:
     
1
2
x +
2
5
x +
13
10
=
11
5
     Left side of the equation =
9
10
x +
13
10
    The equation is transformed into :
     
9
10
x +
13
10
=
11
5

    Transposition :
     
9
10
x =
11
5
13
10

    Combine the items on the right of the equation:
     
9
10
x =
9
10

    The coefficient of the unknown number is reduced to 1 :
      x =
9
10
÷
9
10
        =
9
10
×
10
9
        = 1 × 1

    We obtained :
      x = 1
    This is the solution of the equation.

[ 5/6 Equation]
    Work: Find the solution of equation 0.8x+0.1x-4.1 = 7.6 .
    Question type: Equation
    Solution:Original question:
     
4
5
x +
1
10
x
41
10
=
38
5
     Left side of the equation =
9
10
x
41
10
    The equation is transformed into :
     
9
10
x
41
10
=
38
5

    Transposition :
     
9
10
x =
38
5
+
41
10

    Combine the items on the right of the equation:
     
9
10
x =
117
10

    The coefficient of the unknown number is reduced to 1 :
      x =
117
10
÷
9
10
        =
117
10
×
10
9
        = 13 × 1

    We obtained :
      x = 13
    This is the solution of the equation.

[ 6/6 Equation]
    Work: Find the solution of equation 0.3x+0.3x+4.4 = 5.6 .
    Question type: Equation
    Solution:Original question:
     
3
10
x +
3
10
x +
22
5
=
28
5
     Left side of the equation =
3
5
x +
22
5
    The equation is transformed into :
     
3
5
x +
22
5
=
28
5

    Transposition :
     
3
5
x =
28
5
22
5

    Combine the items on the right of the equation:
     
3
5
x =
6
5

    The coefficient of the unknown number is reduced to 1 :
      x =
6
5
÷
3
5
        =
6
5
×
5
3
        = 2 × 1

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



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