Question

(2+1)/3 + 1 ≤ 3, ∈

Please do it in copy.

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Answer 1

x−2<0

x<2

1≤−x+2≤3

1−2≤−x+2−2≤3−2

−1≤−x≤1

1≥x≥−1

x∈[−1,1]

x−2>0

x>2

1≤x−2≤3

3≤x≤5

x∈[3,5]

x∈[−1,1]U[3,5]