Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = -4 - 4w, y = 1 - w, z = 3 + w, where w is any real number
B. x = -8, y = 0, z = 4, w = 1; (-8, 0, 4, 1)
C. inconsistent
D. x = -4, y = 1, z = 3, w = 0; (-4, 1, 3, 0)
Answer: A
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