Question

Solve : - 17 < 9y - 8; y ∈ Z.

Answer 1

-17 < 9y – 8

⇒ -17 + 8 < 9y – 8 + 8 (Adding 8)

⇒ -9 < 9y

⇒ -1 < y (Dividing by 9)

Required number = {0, 1, 2, 3, 4, …}