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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 2.5*11a+2.5*9*3280+2.5*2*3620 = 15*1.06*1.2*1.3/3280*(a+3280)*(a+3620) .
    Question type: Equation
    Solution:Original question:
     
5
2
 × 11 a +
5
2
 × 9 × 3280 +
5
2
 × 2 × 3620 = 15 ×
53
50
 ×
6
5
 ×
13
10
 ÷ 3280 × ( a + 3280)( a + 3620)
     Left side of the equation =
55
2
 a + 73800 + 18100
                                             =
55
2
 a + 91900
    The equation is transformed into :
     
55
2
 a + 91900 = 15 ×
53
50
 ×
6
5
 ×
13
10
 ÷ 3280 × ( a + 3280)( a + 3620)
     Right side of the equation =
6201
820000
( a + 3280)( a + 3620)
    The equation is transformed into :
     
55
2
 a + 91900 =
6201
820000
( a + 3280)( a + 3620)
    Remove the bracket on the right of the equation:
     Right side of the equation =
6201
820000
 a ( a + 3620) +
6201
820000
 × 3280( a + 3620)
                                               =
6201
820000
 a ( a + 3620) +
6201
250
( a + 3620)
                                               =
6201
820000
 a a +
6201
820000
 a × 3620 +
6201
250
( a + 3620)
                                               =
6201
820000
 a a +
1122381
41000
 a +
6201
250
( a + 3620)
                                               =
6201
820000
 a a +
1122381
41000
 a +
6201
250
 a +
6201
250
 × 3620
                                               =
6201
820000
 a a +
1122381
41000
 a +
6201
250
 a +
2244762
25
                                               =
6201
820000
 a a +
427869
8200
 a +
2244762
25
    The equation is transformed into :
     
55
2
 a + 91900 =
6201
820000
 a a +
427869
8200
 a +
2244762
25

    
        a≈83.349109 , 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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