Use Matrices to Solve the System of Equations (If Possible)

question 46

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

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