Solve the system of equations using substitution.
A. x = -4, y = -8; x = 4, y = 0
or (-4, -8), (4, 0)
B. x = -4, y = -8; x = -4, y = 8
or (-4, -8), (-4, 8)
C. x = -4, y = -8 or (-4, -8)
D. x = -4, y = -8; x = -4, y = 8; x = 4, y = 0
or (-4, -8), (-4, 8), (4, 0)
Answer: C
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A. 
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B. 
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C. 
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plus a bonus of 
Let 
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A. - 
± 
B. - 
± 
C. 
± 
D. 
± 
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What will be an ideal response?