|2|x−1|−3|≤5
2|x−1|−3≤5 v 2|x−1|−3≥−5
2|x−1|≤8 v 2|x−1|≥−2
|x−1|≤4 v |x−1|≥−1
x−1≤4 i x−1≥−4 x−1≥−1 i x−1 ≤1
x≤5 i x≥−3 x≥0 i x≤2
x∊<−3;5> x ∊<0;2>