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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*9/(a+3280)+5/(a+3620) = 15*1.06*1.2*1.3/3280 .
    Question type: Equation
    Solution:Original question:
     
5
2
 × 9 ÷ ( a + 3280) + 5 ÷ ( a + 3620) = 15 ×
53
50
 ×
6
5
 ×
13
10
 ÷ 3280
     Multiply both sides of the equation by:( a + 3280)
     
5
2
 × 9 + 5 ÷ ( a + 3620) × ( a + 3280) = 15 ×
53
50
 ×
6
5
 ×
13
10
 ÷ 3280 × ( a + 3280)
    Remove a bracket on the left of the equation:：
     
5
2
 × 9 + 5 ÷ ( a + 3620) × a + 5 ÷ ( a + 3620) × 3280 = 15 ×
53
50
 ×
6
5
 ×
13
10
 ÷ 3280 × ( a + 3280)
    Remove a bracket on the right of the equation:：
     
5
2
 × 9 + 5 ÷ ( a + 3620) × a + 5 ÷ ( a + 3620) × 3280 = 15 ×
53
50
 ×
6
5
 ×
13
10
 ÷ 3280 × a + 15 ×
53
50
 ×
6
5
 ×
13
10
 ÷ 3280 × 3280
    The equation is reduced to :
     
45
2
 + 5 ÷ ( a + 3620) × a + 16400 ÷ ( a + 3620) =
6201
820000
 a +
6201
250
     Multiply both sides of the equation by:( a + 3620)
     
45
2
( a + 3620) + 5 a + 16400 =
6201
820000
 a ( a + 3620) +
6201
250
( a + 3620)
    Remove a bracket on the left of the equation:
     
45
2
 a +
45
2
 × 3620 + 5 a + 16400 =
6201
820000
 a ( a + 3620) +
6201
250
( a + 3620)
    Remove a bracket on the right of the equation:：
     
45
2
 a +
45
2
 × 3620 + 5 a + 16400 =
6201
820000
 a a +
6201
820000
 a × 3620 +
6201
250
( a + 3620)
    The equation is reduced to :
     
45
2
 a + 81450 + 5 a + 16400 =
6201
820000
 a a +
1122381
41000
 a +
6201
250
( a + 3620)
    The equation is reduced to :
     
55
2
 a + 97850 =
6201
820000
 a a +
1122381
41000
 a +
6201
250
( a + 3620)
    Remove a bracket on the right of the equation:：
     
55
2
 a + 97850 =
6201
820000
 a a +
1122381
41000
 a +
6201
250
 a +
6201
250
 × 3620
    The equation is reduced to :
     
55
2
 a + 97850 =
6201
820000
 a a +
1122381
41000
 a +
6201
250
 a +
2244762
25
    The equation is reduced to :
     
55
2
 a + 97850 =
6201
820000
 a a +
427869
8200
 a +
2244762
25

    
        a=
149575121
500000
    
    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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