Question

ПОМОГИТЕ СРОЧНО!!!!!!

Answer 1

Ответ:

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Пошаговое объяснение:

Answer 2

Ответ:

$5x-4\leq \dfrac{2x+6}{8}\leq 6x-5\ \ \Big|\cdot 8\\\\\\40x-32\leq 2x+6\leq 48x-40\ \ \Big|-6\\\\40x-38\leq 2x\leq 48x-46\\\\\\\left\{\begin{array}{l}2x\leq 48x-46\\2x\geq 40x-38\end{array}\right\ \ \left\{\begin{array}{l}-46x\leq -46\\-38x\geq -38\end{array}\right\ \ \left\{\begin{array}{l}x\geq 1\\x\leq 1\end{array}\right\ \ \ \ \ \Rightarrow \ \ \ \ x=1$