Solve the system by using the inverse of the coefficient matrix.
A. (1, 1, 5, -1)
B. (3, 0, 3, 0)
C. (2, 2, 4, -2)
D. (2, 1, 4, -1)
Answer: D
Mathematics
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A. - 3
B. 
C. 
D. - 
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+ 
A. 
B. 
C. 
D. 
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+ 
A. - 
B. 
C. - 
D. 
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Graph the compound inequality.x > y + 1 or y > -1
A. 
B. 
C. 
D. 
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