Write the augmented matrix of the system and use it to solve the system using row reduction, clearly showing your work. Answers using your calculator will not be accepted for this question - I want to see you can do it by hand. If the system has an infinite number of solutions, express them in terms of the parameter z. x Y -3x + 4y -3x 2z = + 7z + = 5z = -16 56 30

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