Find the intersection.x + y + z = 8, x + y = 15
A. x = -t, y = 15 + t, z = -7
B. x = -t, y = 15 + t, z = 7
C. x = -1, y = 1 + 15t, z = -7t
D. x = t, y = 15 - t, z = -7
Answer: A
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