The set of points whose distance |2x 1| 7 − ≤ from is less than or equal to The set of points 2x 1 − ≥ −7 distance from and |2x + 1| 7 ≥ is greater than or − 2x 1 7 − ≤ equal to 2x + 1 ≤ −7 or |x 2| 7 − ≤ 2x + 1 7 ≥ The set of points x 2 − ≥ −7 whose distance and from 2 is less than x 2 7 − ≤ or equal to 7
|2x − 1| ≤ 7 The set of points whose distance from is less than or equal to 2x − 1 ≥ −7 and 2x − 1 ≤ 7 |2x + 1| ≥ 7 The set of points distance from − is greater than or equal to 2x + 1 ≤ −7 or 2x + 1 ≥ 7 |x − 2| ≤ 7 The set of points whose distance from 2 is less than or equal to 7 x − 2 ≥ −7 and x − 2 ≤ 7
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