Question

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

x + 7 ≤ 11

Answer 1

x + 7 ≤ 11

x ≤ 11 – 7

x ≤ 4

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

⇒ Solution set = {0, 1, 2, 3, 4}