Solve the system. If the system has infinitely many solutions, write the solution set with x arbitrary. x + y - 2z - 8 = 03x + z + 6 = 02x - y + 3z + 14 = 0
A. {(x, -7x + 4, -3x - 6)}
B. {(x, 7x + 4, -3x - 6)}
C. {(x, 7x - 4, -3x - 6)}
D. {(x, -7x - 4, -3x - 6)}
Answer: D
Mathematics
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