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27 April, 20:59

Elimination using multiplication

x - y = - 8

7x + 5y = 16

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Answers (1)
  1. 27 April, 23:18
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    5x - 5y = - 40

    7x + 5y = 16

    2x = 24

    x = 8

    x - y = - 8

    8 - y = - 8

    -y = - 16

    y = 16

    (8,16)
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