Question 1039737
{{{abs(4x-5) >= 6}}}

<==> {{{-6 >= 4x-5}}} or  {{{4x-5 >= 6}}}

<==> {{{-1/4 >= x}}} or {{{x >= 11/4}}}

<==> ({{{-infinity}}}, -1/4] u [11/4, {{{infinity}}})