Question

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

`5 + x/4 > x/5 + 9`

Answer 1

`5 + x/4 > x/5 + 9`

`x/4 - x/5 > 9 - 5`

`x/20 > 4`

x > 80

Since the replacement set of real numbers.

∴ Solution set = {x : x ∈ R and x > 80}