Solve : 4x - 5 > 10 - x, x ∈ {0, 1, 2, 3, 4, 5, 6, 7}.

4x - 5 > 10 \- x ⇒ 4x \+ x > 10 \+ 5 ⇒ 5x > 15 ⇒ x > ⇒ x > 3 ∵ x is a whole number. Hence, solution set = {4, 5, 6, 7}.