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18 July, 12:19

How do I do substitution for this problem

y=4x-9

y=x-3

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Answers (1)
  1. 18 July, 13:23
    0
    4x-9=x-3

    4x-x=-3+9

    3x=6

    x=2

    y=2-3

    y=-1

    (x, y) = (2, - 1)
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