tolong ka jawab please

A) K = {-1,0,1,2,3,4,5,6,7,8}
B) L = {3}
C) M = {1,2,3,4,5,6,7,...}
D) N = {2,4,6,8,10}
E) 0 = 3x + 7 = 10
= x = 1
0 = {1}