Answer:
- 2 ≤ x ≤ 6
Explanation:
inequalities of the type | x | ≤ a ,have solution of the form
- a ≤ x ≤ a
given
| x - 1 | ≤ 2 , then
- 2 ≤ x - 1 ≤ 2 ( add 1 to each interval )
- 1 ≤ x ≤ 3 ( multiply each interval by 2 )
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