Solve the system by elimination. If the system is inconsistent or dependent, say so.x - 7y = -1-3x + 21y = 3
A. (-1, 0)
B. (0, 0)
C. infinite number of solutions of the equation x - 7y = -1; dependent system
D. empty set solution; inconsistent system
Answer: C
Mathematics
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- 
= 
A. 
B. 
C. 
D. 
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