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27 November, 23:21

What coordinate pair satisfies both 5x - 3y=22 and - 4x + y=-19

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  1. 27 November, 23:48
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    hello : coordinate pair is: (5; 1)

    Step-by-step explanation:

    you have this system:

    5x - 3y=22 ... (1)

    -4x + y = - 19 ... (2)

    by (2) : y = 4x - 19

    put y in (1) : 5x - 3 (4x - 19) = 22

    5x - 12x + 57 = 22

    - 7x = - 35

    x = 5

    but : y = 4x - 19 so : y = 4 (5) - 19 = 1

    coordinate pair is: (5; 1)
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