The augmented matrix of a system of equations has been transformed to an equivalent matrix in row-echelon form. If the system is consistent, then give the solution. If it is not, then state that it is inconsistent.
A. (5 + 6z, -3 - 2z, z)
B. (5 - 6z, -3 + 2z, z)
C. (5, -3, z)
D. (5 - z, -3 + z, z)
Answer: B
Mathematics
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