Question 907252
Multiply left and right by (1/2);


{{{x+6<2}}}
{{{x<2-6}}}
{{{highlight(x<-4)}}}


You have a strict inequality, EXCLUSIVE of {{{-4}}}; this is why your interval notation must use the grouping symbol to exclude the {{{-4}}}.
ANSWER:   ({{{-infinity}}}, -4).