Question 1092263
{{{-30 <15x <4x}}}

-

{{{-30<15x}}} AND  {{{15x<4x}}}.

-

{{{-30/15<15x/15}}}
{{{-2<x}}}

-

{{{15x-4x<0}}}
{{{11x<0}}}
{{{x<0}}}

-

RESULT:  {{{highlight(-2<x<0)}}}