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2-|2x-5|=0 explain

  • math -

    since
    |z| = z if z >=0
    |z| = -z if z<0,

    either

    2 - (2x-5) = 0 if 2x-5>=0

    or

    2 - (-(2x-5)) = 0 if 2x-5 < 0

    solve each for two solutions

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