Question 101795
2abs[{{2t-5}/3} -3>=5]

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2|(2t-5)/3| >= 8

|(2t-5)/3| >= 4

-4>= (2t-5)/3 or (2t-5)/3 >=4
-12>= 2t-5  or 2t-5 >=12
-7 >= 2t  or 2t >=17
-7 >= t  or  >=17/2
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Final: t<=-7 or t>=17/2
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Cheers,
Stan H.