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I przypadek
x+1≥0
x≥-1
2(x+1)-3≤2x-1
2x-1≤2x-1
0x≤0
x∈<-1;∞)
II przypadek
x+1<0
x<-1
2(-x-1)-3≤2x-1
-2x-5≤2x-1
-4x≤4
x≥-1
brak rozw.