Math

I have to solve for x >>> l x - 3 l > 8

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  1. -(x-3)>8 or (x-3)>8
    -x + 3 >8 or +x -3 >8
    -x >5 or +x>11
    x <-5 or x > 11
    =================
    check
    if x = -6
    l -6 - 3 l > 8
    9 > 8 yes
    if x = 12
    l 12 - 3 l > 8
    9>8 yess

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  2. Wait, where did you get -6 and 12 from to check?

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  3. I picked numbers just outside the allowed range.

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  4. |x - 3| > 8.
    x - 3 > +- 8,
    x > (+-8) + 3,
    X > 11.
    X > -5.

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