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rezolvand ecuatia in r inecuatia 4x-5 mai mic decat 2x-1

Răspuns :

Răspuns:

[tex]4x - 5 < 4x - 5 - 2x < - 1 \\ 4x - 2x < - 1 + 5 \\ 2x < - 1 + 5 \\ 2x < 4 = > x < 2 = > x∈ (2 )[/tex]