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||x + 1|- 1| +1 = 3 ∨ ||x + 1|- 1| +1 = -3
|x + 1| -1 = 2 ∨ |x + 1| -1 = -4 ←sprzeczne
|x + 1| = 3
x +1 = 3 ∨ x + 1 = -3
x = 2 ∨ x = -4
nie wiem czy nie popełniłem błędu w 3 linijce