Question

If the replacement set is the set of whole numbers, solve:

18 ≤ 3x – 2

Answer 1

18 ≤ 3x – 2

18 + 2 ≤ 3x

20 ≤ 3x

`x ≥ 20/3`

Since, the replacement set = W  ...(Set of whole numbers)

∴ Solution set = {7, 8, 9, …}