Solve the system of equations.
A. x = 3z + 1, and y = z - 3, where z is any real number
or {(x, y, z) |x = 3z + 1, and y = z - 3, where z is any real number}
B. x = -3 - z, and y = 3z + 1, where z is any real number
or {(x, y, z) |x = -3 - z, and y = 3z + 1, where z is any real number}
C. x = z + 3, and y = 3z + 1, where z is any real number
or {(x, y, z) |x = z + 3, and y = 3z + 1, where z is any real number}
D. inconsistent
Answer: B
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