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13 November, 12:26

What is the answer for 3|n+3|-3 <6? Why and show work and graph

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  1. 13 November, 15:58
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    Add 3 to both sides

    3|n+3|<6

    divide both sides by 3

    |n+3|<6

    assume

    n+3<6

    - (n+3) <6

    minus 3 both sides

    n<3

    - (n+3) <6

    -n-3<6

    add 3

    -n<9

    divide - 1, don't forget to flip sign

    n>-9

    -9
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