Question

12≤x-3≤27
Va rog frumos sa raspundeti!!

Answer 1

27 - 12= 15-3 =12 si aduni 12=3 egal 15

Answer 2

12 ≤ x - 3 ≤ 27   adunam 3 ⇒15 ≤ x ≤30 ⇒x∈{15,16,17.....29,30}