Solve the system of equations using the inverse of the coefficient matrix. 4x - 3y - z = 19x - 6y - 4z = -20 5x + y + z = 45
A. x = 8, y = 4, z = 1
B. x = 8, y = 1, z = 4
C. No solution
D. x = -8, y = 4, z = 16
Answer: A
Mathematics
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