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16 September, 17:46

How do i solve this by using substitution?

y=4x-9

y=x-3

+3
Answers (1)
  1. 16 September, 17:58
    0
    Y=4x-9

    y=x-3

    (x-3) = 4x-9 - - add 9 to both sides and subtract x from both sides

    3x=6

    x=2

    y=2-3

    y=-1
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