Solve the system by using Gaussian elimination with backward substitution or by reducing the matrix to reduced-row echelon form.-4x + 52 = 6y-2x + 3y = -2
A. (6, 5)
B. No solution
C. (7, 5)
D. (7, 4)
Answer: D
Mathematics
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A.
B.
C.
D.
E.
none of these
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subject to 
and 
A. Maximum: 
at 
minimum: - 
at 
B. Maximum: 
at 
minimum: - 
at 
C. Maximum: 
at 
minimum: - 
at 
D. Maximum: 
at 
minimum: - 
at 
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A. -14 B. -7 C. 14 D. 0
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