Respuesta :
work shown:
-2k+8-8<14-8
-2k<6
-2k/-2>6/-2
k>-3
or
3k+1<1
3k+1-1<1-1
3k<0
3k/3<0/3
k<0
{k|k>-3 or k<0}
-2k+8-8<14-8
-2k<6
-2k/-2>6/-2
k>-3
or
3k+1<1
3k+1-1<1-1
3k<0
3k/3<0/3
k<0
{k|k>-3 or k<0}