Решите неравенство,алгебра 8 класс. Created by Milinka09. algebra-ru

Решите неравенство,алгебра 8 класс...

Juliaa21

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$\frac{x}{4} -x \ \textless \ -2 |*4 \\ \\ x-4x \ \textless \ -8 \\ \\ -3x \ \textless \ -8 |:(-3) \\ \\ x\ \textgreater \ 2 \frac{2}{3} \\ \\$
Ответ: (2 2/3 ; +∞)

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93931

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ˣ/₄ - x < -2
ˣ/₄ - ⁴ˣ/₄ < ⁻⁸/₄ I :4
x-4x < -8
-3x < -8
x > 2²/₃
x∈(2²/₃ ; ⁺∞)
Ответ : x∈(2²/₃ ; ⁺∞).

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