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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：Solving equations online > On line solution of multivariate equations
Please enter the number of unknowns of the equation set：

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Question 74715 ：
Function set：
2.4A - B - C - D = 180
-A + 1.29B - C - D = 180
-A - B + 1.65C - D = 180
-A - B - C + 1.92D = 180
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Question 74714 ：
Function set：
1.94A - B - C - D = 180
-A + 1.61B - C - D = 180
-A - B + 1.37C - D = 180
-A - B - C + 1.76D = 180
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Question 74713 ：
Function set：
1.94A - B - C - D - E - F = 260
-A + 1.61B - C - D - E - F = 260
-A - B + 1.37C - D - E - F = 260
-A - B - C + 1.76D - E - F = 260
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Question 74712 ：
Function set：
1.94A - B - C - D - E - F = 260
-A + 1.61B - C - D - E - F = 260
-A - B + 1.37C - D - E - F = 260
-A - B - C + 1.76D - E - F = 260
-A - B - C - D + 2.4E - F = 260
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Question 74711 ：
Function set：
1.94A - B - C - D - E - F = 260
-A + 1.61B - C - D - E - F = 260
-A - B + 1.37C - D - E - F = 260
-A - B - C + 1.76D - E - F = 260
-A - B - C - D + 2.4E - F = 260
-A - B - C - D - E + 1.29F = 260
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Question 74710 ：
Function set：
3.3A - B - C - D - E - F = 80
-A + 1.85B - C - D - E - F = 80
-A - B + 2.65C - D - E - F = 80
-A - B - C + 1.63D - E - F = 80
-A - B - C - D + 2.6E - F = 80
-A - B - C - D - E + 1.74F = 80
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Question 74709 ：
Function set：
3.3x - y - z = 140
-x + 4.1y - z = 140
-x - y + 2.2z = 140
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Question 74708 ：
Function set：
2.5x - y = 60
-x + 1.5y = 60
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Question 74707 ：
Function set：
2.5A - B - C - D = 60
-A + 1.5B - C - D = 60
-A - B + 2.5C - D = 60
-A - B - C + 1.5D = 60
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Question 74706 ：
Function set：
2.5A - B - C - D - E - F = 80
-A + 1.5B - C - D - E - F = 80
-A - B + 2.5C - D - E - F = 80
-A - B - C + 1.5D - E - F = 80
-A - B - C - D + 2.5E - F = 80
-A - B - C - E + 1.5F = 80
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Question 74705 ：
Function set：
x - y = 0
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Question 74704 ：
Function set：
A + B + C + 3D = 1
4A + 2B + C + 9D = 2
9A + 3B + C + 27D = 7
16A + 4B + C + 81D = 25
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