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

question 91

Multiple Choice

Use matrices to solve the system of equations (if possible) .Use Gaussian elimination with back-substitution or Gauss-Jordan elimination.

• A) x = -2, y = 1
• B) x = 2, y = -1
• C) x = -1, y = 2
• D) x = -1, y = -2
• E) no solution

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