Solve the system of equations using substitution.
A. x = - 
, y = -4 or 
B. x = -3 , y = 3; x = 4, y = -4
or (-3, 3), (4, -4)
C. x = 3 , y = 
; x = -4, y = - 
or 
, 
D. x = 
, y = 3; x = - 
, y = -4
or 
, 
Answer: D
Mathematics
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A. - 
+ 
i
B. 
+ 
i
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