Cele două ex, dau coroana am nevoie urgent!

5.-2≤x+3≤5
-2-3≤x≤5-3
-5≤x≤2
x∈{-5,-4,-3,-2,-1,0,1,2}
-5+(-4)+(-3)+(-2)+(-1)+0+1+2=-5-4-3-2-1+0+1+2
-9-5+3
-14+3
-11