Question

-4 <= 4x <14 ; x belongs to w

Answer 1

-4 <= 4x < 14

divide throughout by 4

-4/4 <= 4x/4 < 14/4

-1 <= x < 7/2

-1 <= x < 3.5

x belongs to W

so x = { 0, 1 ,2,3 }