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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 （3.213x+606.2）（x+1630） = （2.78x+639.4）（x+1400） .
    Question type: Equation
    Solution:Original question:
     (
3213
1000
 x +
3031
5
)( x + 1630) = (
139
50
 x +
3197
5
)( x + 1400)
    Remove the bracket on the left of the equation:
     Left side of the equation =
3213
1000
 x ( x + 1630) +
3031
5
( x + 1630)
                                             =
3213
1000
 x x +
3213
1000
 x × 1630 +
3031
5
( x + 1630)
                                             =
3213
1000
 x x +
523719
100
 x +
3031
5
( x + 1630)
                                             =
3213
1000
 x x +
523719
100
 x +
3031
5
 x +
3031
5
 × 1630
                                             =
3213
1000
 x x +
523719
100
 x +
3031
5
 x + 988106
                                             =
3213
1000
 x x +
584339
100
 x + 988106
    The equation is transformed into :
     
3213
1000
 x x +
584339
100
 x + 988106 = (
139
50
 x +
3197
5
)( x + 1400)
    Remove the bracket on the right of the equation:
     Right side of the equation =
139
50
 x ( x + 1400) +
3197
5
( x + 1400)
                                               =
139
50
 x x +
139
50
 x × 1400 +
3197
5
( x + 1400)
                                               =
139
50
 x x + 3892 x +
3197
5
( x + 1400)
                                               =
139
50
 x x + 3892 x +
3197
5
 x +
3197
5
 × 1400
                                               =
139
50
 x x + 3892 x +
3197
5
 x + 895160
                                               =
139
50
 x x +
22657
5
 x + 895160
    The equation is transformed into :
     
3213
1000
 x x +
584339
100
 x + 988106 =
139
50
 x x +
22657
5
 x + 895160

    
        x≈-72.582200 , keep 6 decimal places    
    There are 1 solution(s).

解一元一次方程的详细方法请参阅：《一元一次方程的解法》


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