Question 254620
Yes you are correct you can also write the signs like <= {{{-12<=3x-7<=-2}}}
Rewrite as two inequalities {{{-12<=3x-7}}} (1) {{{3x-7<=-2}}} (2)

{{{-5<=3x}}}
{{{-5/3<=x}}} (1)

{{{x<=5/3}}}  (2)

So x is bigger than -5/3 but smaller than 5/3.