Step-by-step explanation:
[tex] = > x - \frac{4}{5} \leqslant \frac{1}{5} [/tex]
[tex] = > x \leqslant \frac{1}{5} + \frac{4}{5} [/tex]
[tex] = > x \leqslant 1[/tex]
=> Solution in the set {-2,-1,0,1,2} is {-2,-1,0,1}
Hope you've understood the solution.