Question

Solve: |x - 1| + |x - 2|< 3​

Answer 1

Step-by-step explanation:

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]