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29 November, 20:04

5x - 7y=28

- * + 7y=0

A) (7,1) B) (-6,5)

c) (7,5) D) (7,-1)

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Answers (1)
  1. 29 November, 20:49
    0
    The answer is A (7,1)

    Just substitute the (x, y) and plug it in to the equation
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