Решить неравенство 8-4x>x-2. Created by Brielle. matematika-ru

Решить неравенство 8-4x>x-2...

snow99

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8 - 4x > x - 2

-4x - x > -2 - 8

-5x > -10

x < 2

x ∈ (-∞; 2)

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Malinochka62 $8 - 4x > x - 2 \\ 8 - 4x - x + 2 > 0 \\ - 5x + 10 > 0 \\ - 5(x - 2) > 0 \\ x - 2 < 0 \\ x = ( - \infty ..2)$

х принадлежит промежутку (-бесконечности;2)

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