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 = -1,z = -6
B) x = -5,y = -1,z = -6
C) x = -5,y = 1,z = -6
D) x = 1,y = 5,z = 6
E) no solution
Correct Answer:

Verified
Correct Answer:
Verified
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