Solve the system of equations by finding the reduced row echelon form for the augmented matrix.x + 4y + 3z = 26 2y + 2z = 12 z = 1

A. (1, 5, 3)
B. (3, 5, 1)
C. (3, 1, 5)
D. No solution


Answer: B

Mathematics

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A.
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C. ?
D.

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