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    Input any unary equation directly, and then click the "Next" button to obtain the solution of the equation.
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    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 1/2(2x+3)+1/3(2x+4) = 1/4(2x+5)+1/5(2x+6) .
    Question type: Equation
    Solution:Original question:
     1 ÷ 2 × (2 x + 3) + 1 ÷ 3 × (2 x + 4) = 1 ÷ 4 × (2 x + 5) + 1 ÷ 5 × (2 x + 6)
     Left side of the equation =
1
2
(2 x + 3) +
1
3
(2 x + 4)
    The equation is transformed into :
     
1
2
(2 x + 3) +
1
3
(2 x + 4) = 1 ÷ 4 × (2 x + 5) + 1 ÷ 5 × (2 x + 6)
    Remove the bracket on the left of the equation:
     Left side of the equation =
1
2
× 2 x +
1
2
× 3 +
1
3
(2 x + 4)
                                             = 1 x +
3
2
+
1
3
(2 x + 4)
                                             = 1 x +
3
2
+
1
3
× 2 x +
1
3
× 4
                                             = 1 x +
3
2
+
2
3
x +
4
3
                                             =
5
3
x +
17
6
    The equation is transformed into :
     
5
3
x +
17
6
= 1 ÷ 4 × (2 x + 5) + 1 ÷ 5 × (2 x + 6)
     Right side of the equation =
1
4
(2 x + 5) +
1
5
(2 x + 6)
    The equation is transformed into :
     
5
3
x +
17
6
=
1
4
(2 x + 5) +
1
5
(2 x + 6)
    Remove the bracket on the right of the equation:
     Right side of the equation =
1
4
× 2 x +
1
4
× 5 +
1
5
(2 x + 6)
                                               =
1
2
x +
5
4
+
1
5
(2 x + 6)
                                               =
1
2
x +
5
4
+
1
5
× 2 x +
1
5
× 6
                                               =
1
2
x +
5
4
+
2
5
x +
6
5
                                               =
9
10
x +
49
20
    The equation is transformed into :
     
5
3
x +
17
6
=
9
10
x +
49
20

    Transposition :
     
5
3
x
9
10
x =
49
20
17
6

    Combine the items on the left of the equation:
     
23
30
x =
49
20
17
6

    Combine the items on the right of the equation:
     
23
30
x = -
23
60

    The coefficient of the unknown number is reduced to 1 :
      x = -
23
60
÷
23
30
        = -
23
60
×
30
23
        = -
1
2
× 1

    We obtained :
      x = -
1
2
    This is the solution of the equation.

    Convert the result to decimal form :
      x = - 0.5



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