SOLUTION: -2|x+4|<22
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Question 336993
:
-2|x+4|<22
Answer by
Jk22(389)
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-2|x+4|<22
b) short version : true forall x in R, since the LHS is <0 forall x
a) Long version :
|x+4|>-11
-11
-15
or -11<-(x+4) => 11>x+4 => x<-7
x in ]-oo;-7]U[-15;+oo[=R
