Question

Exercitiul 1 va rog....​

Answer 1

2x+3 ≥ 5x-6

5x-2x ≤ 3+6

3x ≤ 9

x ≤ 3 si x∈N ⇒ x ∈ {0, 1, 2, 3}

A = {0, 1, 2, 3}