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25 July, 16:18

X + 5y - 10 = 0

x = 2y - 8

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Answers (1)
  1. 25 July, 17:04
    0
    So since we know what x is, we can substitute it into the original equation for x like so to solve for y ...

    (2y - 8) + 5y - 10 = 0

    2y - 8 + 5y = 10

    2y + 5y = 18

    7y = 18

    y = 18/7 (or about 2.57)

    So now we know what x is, we can sub it into the below equation to solve for x ...

    x = 2 (18/7) - 8

    x = 36/14 - 8 (or about - 5.43)
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