Question

What is the solution to the inequality 3t + 9 ≥ 15 ?

Answer 1

3t+9≥15 => 3t ≥ 6 => t ≥2 => t= [2,∞)
Hope that helps, have a nice day!! ^^

Answer 2

3t + 9 ≥ 15
3t ≥ 15 - 9
3t ≥ 6
t ≥ 6/3
t ≥ 2

Internal Notation: [2, ∞)