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

Verified
Correct Answer:
Verified
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