💣 Q :123 Prep 1 Question Bank T1

Find the solution set of the equation \( 2x + 7 = 3 \) if the substitution set is \( \mathbb{Z} \) (integers) or \( \mathbb{N} \) (natural numbers):

a) \( \mathbb{Z} \) (Integers)

b) \( \mathbb{N} \) (Natural Numbers)

1. The solution set in \( \mathbb{Z} = \{-2\} \) 2. The solution set in \( \mathbb{N} = \emptyset \)