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OpenStudy (anonymous):
PLEASE HELP !!! Solve |x + 5| < 9
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OpenStudy (mertsj):
That means that x+5 is less than 9 units from 0.
OpenStudy (mertsj):
Think of the number line...which numbers are less than 9 units from 0 ?
OpenStudy (mertsj):
|dw:1370390299563:dw|
OpenStudy (mertsj):
Wouldn't that be the numbers between -9 and 9? They are all less than 9 units from 0. So you should write:
OpenStudy (mertsj):
\[-9<x+5<9\]
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OpenStudy (mertsj):
And solve each part.
OpenStudy (anonymous):
@Mertsj thank you
OpenStudy (mertsj):
yw
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