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2 April, 13:13

I have a problem of - 3 < 3x < 9 (it's compound inequaities)

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  1. 2 April, 14:38
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    -1 < x < 3

    Step-by-step explanation:

    -3 < 3x < 9

    Since you have 3x, and you want x, divide all 3 "sides" by 3.

    -1 < x < 3
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