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OpenStudy (anonymous):
what is the solution set of |x+3| >7 ?
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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 ?
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OpenStudy (anonymous):
That's correct.
OpenStudy (anonymous):
You also can write -10 < x < 4
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