How do you solve |x – 9| < 11?
1 Answer
Nov 1, 2015
Explanation:
Note that
|x-9| < 11
implies -11 < x-9 < 11
implies -11 + 9 < x < 11 + 9
implies -2 < x < 20
Note that
|x-9| < 11
implies -11 < x-9 < 11
implies -11 + 9 < x < 11 + 9
implies -2 < x < 20