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17 November, 05:38

The system using elimination 3y-4x=-33 and 5x-3y=40.5

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Answers (2)
  1. 17 November, 07:56
    0
    (7.5, - 1)

    Step-by-step explanation:

    3y-4x=-33

    -3y+5x=40.5

    The y's cancel out

    1x=7.5

    x = 7.5

    Then substitute 7.5 into either of the two equations.

    5x7.5-3y=40.5

    37.5-3y=40.5

    -3y=3

    y=-1

    Answer: (7.5,-1)
  2. 17 November, 08:56
    0
    go to a website called 'mathpapa' it will literally answer any math equation for you
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