Solve the system of equations using substitution.
A. x = -5, y = -1; x = 8, y = 
or (-5, -1), 
B. x = -5, y = -1; x = 
, y = 8
or (-5, -1), 
C. x = 5, y = 1; x = -8, y = - 
or (5, 1), 
D. x = 5, y = 1; x = - 
, y = -8
or (5, 1), 
Answer: C
Mathematics
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? 0
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