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|x+3|≤2
x+3≤ 2 ∧ -2≤ x+3
x≤-1 ∧x≥-5
A:x∈<-5,-1>
B: {A∈R i |x-1|-2≤ 0}
|x-1|≤ 2
x-1≤2 ∧ -2≤x-1
x≤3 ∧x≥-1
B:x∈<-1,3>
AuB =<-5,3>