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Mathematics 13 Online
OpenStudy (anonymous):

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

OpenStudy (anonymous):

HINT: |x+3| >7 is same thing as -7 > x+3 > 7

OpenStudy (anonymous):

Then subtract all side by 3.

OpenStudy (anonymous):

huh?

OpenStudy (anonymous):

-10 and 4?

OpenStudy (anonymous):

x>-10 or x<4 ?

OpenStudy (anonymous):

That's correct.

OpenStudy (anonymous):

You also can write -10 < x < 4

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