Question

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

– 4x ≥ – 16

Answer 1

– 4x ≥ – 16

4x ≤ 16

`x ≤ 16/4`

x < 4

Since the replacement set of real numbers

∴ Solution set = {x : x ∈ R and x ≤ 4}