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6 September, 16:56

11x+5y=9

11x+3y=1

It's simutanios equation substitution

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Answers (1)
  1. 6 September, 17:20
    0
    (-1, 4)

    Step-by-step explanation:

    11x+5y=9

    11x+3y=1

    subtract side-by-side

    5y-3y = 9-1 2y=8 y=4 11x+20=9 11x = - 11 x=-1
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