Solve the system of equations by finding the reduced row-echelon form of the augmented matrix for the system of equations. 2x + y + 4z = 16 5x - 2y + 2z = - 1 X + 2y - 32 = - 9 a. (-1, 2, 22) c. (-1, 2, 4) b. (-10, 22, 42) d. (-10, 2, 22)
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