Question 883236
{{{abs(2d)+3<7}}}
{{{abs(2d)<4}}}
Positive solution : {{{abs(2d)=2d}}}
{{{2d<4}}}
{{{d<2}}}
Negative solution : {{{abs(2d)=-2d}}}
{{{-2d<4}}}
{{{d>-2}}}
Put them together,
{{{-2<d<2}}}