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Mathematics 24 Online
OpenStudy (anonymous):

I have some math problems involving that you have to solve an inequality in interval notations and I don't know how to do it.

OpenStudy (anonymous):

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jimthompson5910 (jim_thompson5910):

Rule: \[\Large |x| > k\] breaks down into \[\Large x > k \ \ \text{or} \ \ x < -k\] where k is some positive number

jimthompson5910 (jim_thompson5910):

so in your case, |x-2| > 13 turns into x-2 > 13 or x-2 < -13

OpenStudy (anonymous):

I don't get it. What would my answer be?

OpenStudy (anonymous):

would it be 15??

jimthompson5910 (jim_thompson5910):

I'm assuming you added 2 to both sides of x-2 > 13, right?

OpenStudy (anonymous):

yes

jimthompson5910 (jim_thompson5910):

|dw:1438574103833:dw|

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