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1 answer:

LiRa [457]3 years ago

6 0

X = 1
y = -4
xy = (1)(-4) = -4

answer
C) -4

double check:
y - 4 = 4x + 3y = -(9-x)
-4 - 4 = 4(1) + 3(-4) = -(9 - 1)
- 8 = -8 = -8

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