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6 October, 09:31

How would you solve 2x-3y=-1, y=x-1

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Answers (2)
  1. 6 October, 09:48
    +1
    Plug in x-1 where u see y

    2x-3 (x-1) = - 1

    solve : D
  2. 6 October, 09:56
    +1
    Well we could use the substitution method

    2x - 3y=-1

    2x-3 (x-1) = - 1

    simplify

    x=4

    put it back into the other equation

    y=4-1

    y=3

    so your answer is (4,3)
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