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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 75×7.87+12.15x = （75+75+x）×7.98 .
    Question type: Equation
    Solution:Original question:
     75 ×
787
100
 +
243
20
 x = (75 + 75 + x ) ×
399
50
     Left side of the equation =
2361
4
 +
243
20
 x
    The equation is transformed into :
     
2361
4
 +
243
20
 x = (75 + 75 + x ) ×
399
50
    Remove the bracket on the right of the equation:
     Right side of the equation = 75 ×
399
50
 + 75 ×
399
50
 + x ×
399
50
                                               =
1197
2
 +
1197
2
 + x ×
399
50
                                               = 1197 +
399
50
 x
    The equation is transformed into :
     
2361
4
 +
243
20
 x = 1197 +
399
50
 x

    Transposition :
     
243
20
 x −
399
50
 x = 1197 −
2361
4

    Combine the items on the left of the equation:
     
417
100
 x = 1197 −
2361
4

    Combine the items on the right of the equation:
     
417
100
 x =
2427
4

    The coefficient of the unknown number is reduced to 1 :
      x =
2427
4
 ÷
417
100
        =
2427
4
 ×
100
417
        = 809 ×
25
139

    We obtained :
      x =
20225
139
    This is the solution of the equation.

    Convert the result to decimal form :
      x = 145.503597



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