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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 + 22 -1
. + 2y – 32--9
a. (-1, 2, 22)
c (-1, 2,4)
b. (-10, 22, 42)
d. (-10, 2, 22
select the best answer from the choices provided
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