Multiple Choice
Use matrices to solve the system of equations (if possible) . Use Gaussian elimination with back-substitution or Gauss-Jordan elimination.
A) x = 5, y = -2, z = -6
B) x = 2, y = -5, z = 6
C) x = -2, y = -5, z = 6
D) no solution
E) x = 2, y = 5, z = 6
Correct Answer:

Verified
Correct Answer:
Verified
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