Question 156580
-8/5t-3<t+9
-8t/5-t<9+3
(-8t-5t)/5<12
-13t<60
t>60/-13 (note the < sign changes to the > sign when you divide by a - number)
t>-4.6 answer.
Proof:
let t=-4
-8*-4/5-3<-4+9
32/5-3<5
6.4-3<5
3.4<5