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Автор - sashabestgirl

Решите неравенство 5(2-x)-7(1-x)<8x

Ответ

Проверено экспертом

Автор - Санечка69

5(2 - x) - 7(1 - x) < 8x,

10 - 5x - 7 + 7x < 8x,

3 + 2x < 8x,

2x - 8x < -3,

-6x < -3,

x > (-3) : (-6),

x > 0,5.

x ∈ (0,5; +∞).

Ответ: (0,5; +∞).

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