Solve the system of equations below. You can use the 'rref" command on the graphing calculator. Show me the initial matrix, the reduced form matrix and then solve the system for x1, x2, and x3. X3 = 3 11x1 - 2x2 - 5x3 = -12 2x3 2x1+ x2 - = -12 Xi + 3x2 -

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