Question 226439
 -6 ≤ 2-8x ≤ 6


 -6-2 ≤ -8x ≤ 6-2


 -8 ≤ -8x ≤ 4


 -8/(-8) ≤ x ≤ 4/(-8)


 1 ≥ x ≥ -1/2


-1/2 ≤ x ≤ 1


Answer: [-1/2, 1]