Solve the system by using the inverse of the coefficient matrix.2x + 8y + 6z = 204x + 2y - 2z = -23x - y + z = 11
A. {(2, 1, 6)}
B. ?
C. {(-1, 2, 1)}
D. {(2, -1, 4)}
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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