Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. 7x - y + 9z = 70-5x - 2z = -30 6y + z = 23
A. (4, 5, 3)
B. (-4, 3, 8)
C. (4, 3, 5)
D. No solution
Answer: C
Mathematics
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A. 196 B. 197 C. 26,129 D. 26,130
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Find the unknown coordinate so that the ordered pair satisfies the given equation.6x - 3y = 11, 
A. 
B. 
C. 0
D. 14
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a = 1
b = 5
A. 2
B. 13
C. 5
D. 1
Mathematics