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22 January, 12:04

Is (-3, 2) a solution of 72 + 9y > - 3?

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  1. 22 January, 12:52
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    yes, (-3, 2) is a solution

    Step-by-step explanation:

    72 + 9y > - 3

    9y > - 72 - 3

    9y > - 75

    y > - 75/9

    y > - 25/3

    y > - 8. (3)

    y ∈ (-8.0 (3); + oo)

    (-3, 2) ⊂ (-8.0 (3); + oo)
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