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May 28, 2016
Posted by **Jenn** on Friday, October 2, 2009 at 5:22pm.

abs value of x+4<4

- math -
**MathMate**, Friday, October 2, 2009 at 5:39pmx+4<4

subtract 4 from each side

x+4-4 < 4-4

x<0

In interval notation,

(-∞,0)

i.e. both -∞ and 0 are excluded.