Question

How do you solve `-3t >=39`?

Answer 1

`t in (-oo, -13]`

Explanation:

As per the question, we have

`-3t >= 39`

`:. -3t -39 >= 0`

`:. 3t + 39 <= 0`

`:. t + 13 <= 0`

`:. t <= -13`

`:. t in (-oo, -13]`