Solve the system of equations using substitution.
A. x = 3
, y = 
or (3
, 
)
B. x = 
, y = 3
or (
, 3
)
C. x = 
, y = 9 or (
, 9)
D. x = 9, y = 
or (9, 
)
Answer: A
Mathematics
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A. 16
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= 
A. 
B. 
C. 
D. 
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