Question 215340
|{{{-7x}}}|{{{_<=7}}}


{{{-7x<=7}}}, or, {{{-7x>=-7}}}


{{{x>=(7/-7)}}} -------- {{{x>=-1}}}



{{{-7x>=-7}}}


{{{x<=(-7)/-7}}} -------- {{{x<=1}}}


{{{highlight_green(-1<=x<=1)}}}