Question 108029
The little line on the bottom means "or equal to"
-6<2t-5<=-3
.
-6+5<2t-5+5
-1<2t
-1/2<2t/2
{{{-1/2<t}}}
.
2t-5<=-3
2t-5+5<=-3+5
2t<=2
2t/2<=2/2
{{{t<=1}}}
.
{{{-1/2<t<=1}}}
.
Ed