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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 (385+135.5)/28*x+95/28*(x+15)+112/28*(x+30) = 750 .
    Question type: Equation
    Solution:Original question:
     (385 +
271
2
) ÷ 28 × x + 95 ÷ 28 × ( x + 15) + 112 ÷ 28 × ( x + 30) = 750
     Left side of the equation = (385 +
271
2
) ×
1
28
 x +
95
28
( x + 15) + 4( x + 30)
    The equation is transformed into :
     (385 +
271
2
) ×
1
28
 x +
95
28
( x + 15) + 4( x + 30) = 750
    Remove the bracket on the left of the equation:
     Left side of the equation = 385 ×
1
28
 x +
271
2
 ×
1
28
 x +
95
28
( x + 15) + 4( x + 30)
                                             =
55
4
 x +
271
56
 x +
95
28
( x + 15) + 4( x + 30)
                                             =
1041
56
 x +
95
28
( x + 15) + 4( x + 30)
                                             =
1041
56
 x +
95
28
 x +
95
28
 × 15 + 4( x + 30)
                                             =
1041
56
 x +
95
28
 x +
1425
28
 + 4( x + 30)
                                             =
1231
56
 x +
1425
28
 + 4( x + 30)
                                             =
1231
56
 x +
1425
28
 + 4 x + 4 × 30
                                             =
1231
56
 x +
1425
28
 + 4 x + 120
                                             =
1455
56
 x +
4785
28
    The equation is transformed into :
     
1455
56
 x +
4785
28
 = 750

    Transposition :
     
1455
56
 x = 750 −
4785
28

    Combine the items on the right of the equation:
     
1455
56
 x =
16215
28

    The coefficient of the unknown number is reduced to 1 :
      x =
16215
28
 ÷
1455
56
        =
16215
28
 ×
56
1455
        = 1081 ×
2
97

    We obtained :
      x =
2162
97
    This is the solution of the equation.

    Convert the result to decimal form :
      x = 22.28866



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