Question 878983
{{{ 30>=-7x-12>16 }}}


{{{30+12>=-7x-12+12>16+12}}}

{{{42>=-7x>28}}}

{{{42/-7>=-7x/-7>28/-7}}}

{{{ -6<=x<-4 }}}


*[invoke Plot_two_numbers_on_number_line -6, -4] where {{{-6}}} is included and {{{-4}}} is excluded part of solution