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4 March, 03:15

Which of the following describes all the solutions to the inequality 5x+7y=22 when y=-4

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  1. 4 March, 03:43
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    Substitute ...

    5x + 7 (-4) = 22

    5x - 28 = 22

    + 28 + 28

    5x = 50

    __ ___

    5 5

    x = 10
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