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Mathematics 18 Online
OpenStudy (anonymous):

What is the solution set of |x + 3| > 7?

OpenStudy (anonymous):

see here http://www.wolframalpha.com/input/?i=%7Cx+%2B+3%7C+%3E+7

OpenStudy (jiteshmeghwal9):

If there is a unknown value in the MOD bracket then the value of 'x' will come both in negative & positive.

OpenStudy (jiteshmeghwal9):

Case I:|x+3|>7 x+3>7 x>7-3 x>4

OpenStudy (jiteshmeghwal9):

case II: |x+3|>7 -(x+3)>7 -x-3>7 -x>7+3 -x>10 x>-10

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