Question 712572
{{{-5< (1/4)(2m+4) <=13}}}

{{{-5< (2m+4)/4 <=13}}}...multiply all by {{{4}}}

{{{-5*4< 4(2m+4)/4 <=13*4}}}

{{{-20< 2m+4 <=52}}}...subtract {{{4}}}

{{{-20-4< 2m+4-4 <=52-4}}}

{{{-24< 2m<=48}}}.....divide by {{{2}}}

{{{-24/2< 2m/2<=48/2}}}

{{{-12< m<=24}}}