Solve the system of equations using substitution.
A. x = 2, y = -2; x = -2, y = -2
or (2,-2), (-2, -2)
B. x = 0, y = 2; x = 2, y = 0
or (0, 2), (2, 0)
C. x = 0, y = -2; x = -2, y = 0
or (0, -2), (-2, 0)
D. x = 0, y = 0; x = 2, y = -2
or (0, 0), (2, -2)
Answer: B
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