Mathematics
         
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Unary equation
Multivariate equation
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On line solution of multivariate equations：
    First set the elements of the equation (i.e. the number of unknowns), then click the "Next" button to enter the coefficients of each element of the equation set, and click the "Next" button to obtain the solution of the equation set.
    Note that the coefficients of each element of the equation system can only be numbers, not algebraic expressions (including mathematical functions).
    Current location：Equations > Multivariate equations > Answer
detailed information：
The input equation set is:
 
7691
100
A + 
2757
50
B + 
6281
100
D = 
1824
25
    (1)
 
2077
100
A + 
181
10
B + 
11
100
C + 
59
100
D = 
997
50
    (2)
 
2
5
A + 
21
100
B + 
1059
50
D = 
34
25
    (3)
 
57
100
A + 
21
2
B = 
247
100
    (4)

Question solving process(leaved out):


The solution of the equation set is:
A = 0.771015
B = 0.193383
C = 3.614781
D = 0.047733

解方程组的详细方法请参阅：《多元一次方程组的解法》
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