Question

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Answer 1

Ответ:

x ∈ (-4; 0)

Пошаговое объяснение:

$\left \{ {{3x - 3 < x - 3} \atop {5x + 15 > 2x + 3}} \right. \\\left \{ {{3x - x < -3 + 3} \atop {5x - 2x > 3 - 15}} \right.\\\left \{ {{2x < 0} \atop {3x > -12}} \right.\\\left \{ {{x < 0} \atop {x > -4}} \right.$

x ∈ (-4; 0)