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Answer on Real Analysis Question for abhi

Question #8213
x belongs to r which satisfy the inequality |x|+|x+1|<2 find all x
Expert's answer
first we need to find zeroes of modules. It's x=0, x=-1Then we divide coordinate line into several segments where expressions under
modules save sign and solve inequalities in each zone.
So we have: 1. x<=-1
so we have -3/2<x<=-1

2. -1<x<=0
so -1<x<=0

3. x>0
se we have 0<x<1/2

Finally we obtain -3/2<x<1/2 - answer

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