Mathematics
         
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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 0.15×250+0.15×300+0.35×320+0.35x = 300 .
    Question type: Equation
    Solution:Original question:
     
3
20
× 250 +
3
20
× 300 +
7
20
× 320 +
7
20
x = 300
     Left side of the equation =
75
2
+ 45 + 112 +
7
20
x
                                             =
389
2
+
7
20
x
    The equation is transformed into :
     
389
2
+
7
20
x = 300

    Transposition :
     
7
20
x = 300
389
2

    Combine the items on the right of the equation:
     
7
20
x =
211
2

    The coefficient of the unknown number is reduced to 1 :
      x =
211
2
÷
7
20
        =
211
2
×
20
7
        = 211 ×
10
7

    We obtained :
      x =
2110
7
    This is the solution of the equation.

    Convert the result to decimal form :
      x = 301.428571



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