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24 October, 14:17

Y=1/2x-3 and 9x-2y=-74 substitution

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Answers (2)
  1. 24 October, 14:21
    0
    x = 2 (y + 3) x = 9 2 (y-37)
  2. 24 October, 14:40
    0
    Hello:

    Y=1/2x-3 ... (1)

    and

    9x-2y=-74 ... (2)

    subsct in (2):

    9x-2 (1/2x-3) = - 74

    9x-x+6 = - 74

    8x = - 80

    x = - 10

    in (1) : y = 1/2 (-10) - 3

    y = - 8
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