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18 July, 21:12

Is (-1,4) a solution of 3x-4y<7

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  1. 18 July, 23:07
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    (-1, 4) is a solution of 3x - 4y < 7

    Step-by-step explanation:

    Substitute - 1 for x and 4 for y: 3 (-1) - 4 (4) < 7. Is this true or false?

    -3 - 12 < 7 is definitely true, so (-1, 4) is a solution of 3x - 4y < 7.
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