oblicz x korzystajac z wlasnosci wartosci bezwzglednej |x+1| = 4
x+1=4 i x+10
x=3 i x-1
-x-1=4 i x+1<0
x= -5 i x<-1
rozwiązania to: 3 i -5
|x+1|=4x+1=4x=4-1x=3
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x+1=4 i x+10
x=3 i x-1
-x-1=4 i x+1<0
x= -5 i x<-1
rozwiązania to: 3 i -5
|x+1|=4
x+1=4
x=4-1
x=3