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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 (128.5+247)/31*x+241.5/31*(x+15)+124/31(x+30) = 1623 .
    Question type: Equation
    Solution:Original question:
     (
257
2
 + 247) ÷ 31 × x +
483
2
 ÷ 31 × ( x + 15) + 124 ÷ 31 × ( x + 30) = 1623
     Left side of the equation = (
257
2
 + 247) ×
1
31
 x +
483
62
( x + 15) + 4( x + 30)
    The equation is transformed into :
     (
257
2
 + 247) ×
1
31
 x +
483
62
( x + 15) + 4( x + 30) = 1623
    Remove the bracket on the left of the equation:
     Left side of the equation =
257
2
 ×
1
31
 x + 247 ×
1
31
 x +
483
62
( x + 15) + 4( x + 30)
                                             =
257
62
 x +
247
31
 x +
483
62
( x + 15) + 4( x + 30)
                                             =
751
62
 x +
483
62
( x + 15) + 4( x + 30)
                                             =
751
62
 x +
483
62
 x +
483
62
 × 15 + 4( x + 30)
                                             =
751
62
 x +
483
62
 x +
7245
62
 + 4( x + 30)
                                             =
617
31
 x +
7245
62
 + 4( x + 30)
                                             =
617
31
 x +
7245
62
 + 4 x + 4 × 30
                                             =
617
31
 x +
7245
62
 + 4 x + 120
                                             =
741
31
 x +
14685
62
    The equation is transformed into :
     
741
31
 x +
14685
62
 = 1623

    Transposition :
     
741
31
 x = 1623 −
14685
62

    Combine the items on the right of the equation:
     
741
31
 x =
85941
62

    The coefficient of the unknown number is reduced to 1 :
      x =
85941
62
 ÷
741
31
        =
85941
62
 ×
31
741
        =
28647
2
 ×
1
247

    We obtained :
      x =
28647
494
    This is the solution of the equation.

    Convert the result to decimal form :
      x = 57.989879



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