Solve the system of equations.3x + 3y + 3z = 39x + 10y + 11z = 126x + 7y + 8z = 9
A. ?
B. {(-2, 3, 0)}
C. {(x, y, z) ? 6x + 7y + 8z = 9}
D. {(-2, 6, 0)}
Answer: C
Mathematics
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B. x < 8
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