Answer:
XE[-4/5,4/5]
Step-by-step explanation:
I can't explain it sorry
-4/5 ≤ x ≤ 4/5
| 5/2 x | + 2 ≤ 4
| 5/2 x | ≤ 2
| x | ≤ 4/5
x ≤ 4/5
x ≥ - 4/5
