Question: Solve the system of equations using matrices. Use the Gaussian elimination method with back-substitution. x+ y - z= -2 3x - y+ z= 2 -

Solve the system of equations using matrices. Use the Gaussian elimination

Solve the system of equations using matrices. Use the Gaussian elimination method with back-substitution. x+ y - z= -2 3x - y+ z= 2 - x + 3y - 2z = 1 The solution set is { ( (Simplify your answers.)

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