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17 August, 08:57

Tell wether the ordered pair (5,-3) is a solution of the system - 3x+2y=-21; -x-y=-2

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  1. 17 August, 09:00
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    (5,-3) is a solution of - x-y=-2

    Step-by-step explanation:

    You just plug in the numbers in the equation

    x=5 y=-3

    -5 (5) + 2 (-3) = -25-6 which doesn't equal - 21

    -5 - (-3) = -5+3=-2
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