Solve the linear system using an inverse matrix. x + 2y + 3z = -3 x + y + z = 3-x + y + 2z = -8
A. (-3, 12, 16)
B. (-28, 42, 17)
C. (2, 8, -7)
D. (-8, -10, -5)
Answer: C
Mathematics
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A. 6
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D. 
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A. x21y8 B. x21y8z0 C. x10y10 D. x10y10z0
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and 
A. y = -3x - 3 B. y = -15x - 21 C. y = -15x - 3 D. y = -3x - 21
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