rozwiąż nierówność | 2x + 3 | > 1
|2x + 3 | > 1
2x + 3 > 1 lub 2x + 3 < - 1
2x > -2 2x < - 4
x > - 1 x < -2
odp. x ∈ (-oo, -2) U (-1, +oo)
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|2x + 3 | > 1
2x + 3 > 1 lub 2x + 3 < - 1
2x > -2 2x < - 4
x > - 1 x < -2
odp. x ∈ (-oo, -2) U (-1, +oo)