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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+1.5+(x+1.5)*0.8+[(x+1.5)*0.8*0.8] = 7.3 .
    Question type: Equation
    Solution:Original question:
      x +
3
2
+ ( x +
3
2
) ×
4
5
+ (( x +
3
2
) ×
4
5
×
4
5
) =
73
10
    Remove the bracket on the left of the equation:
     Left side of the equation = x +
3
2
+ x ×
4
5
+
3
2
×
4
5
+ (( x +
3
2
) ×
4
5
×
4
5
)
                                             = x +
3
2
+ x ×
4
5
+
6
5
+ (( x +
3
2
) ×
4
5
×
4
5
)
                                             =
9
5
x +
27
10
+ (( x +
3
2
) ×
4
5
×
4
5
)
                                             =
9
5
x +
27
10
+ ( x +
3
2
) ×
4
5
×
4
5
                                             =
9
5
x +
27
10
+ ( x +
3
2
) ×
16
25
                                             =
9
5
x +
27
10
+ x ×
16
25
+
3
2
×
16
25
                                             =
9
5
x +
27
10
+ x ×
16
25
+
24
25
                                             =
61
25
x +
183
50
    The equation is transformed into :
     
61
25
x +
183
50
=
73
10

    Transposition :
     
61
25
x =
73
10
183
50

    Combine the items on the right of the equation:
     
61
25
x =
91
25

    The coefficient of the unknown number is reduced to 1 :
      x =
91
25
÷
61
25
        =
91
25
×
25
61
        = 91 ×
1
61

    We obtained :
      x =
91
61
    This is the solution of the equation.

    Convert the result to decimal form :
      x = 1.491803



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