Question

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Answer 1

Ответ:вот

Объяснение:

Answer 2

$\displaystyle\bf\\\frac{2x-1}{4} \geq \frac{3x-5}{5} \\\\\\\frac{2x-1}{4}\cdot 20 \geq \frac{3x-5}{5}\cdot 20\\\\\\(2x-1)\cdot 5\geq (3x-5)\cdot 4\\\\\\10x-5\geq 12x-20\\\\\\10x-12x\geq -20+5\\\\\\-2x\geq -15\\\\\\x\leq 7,5$

_________[7,5]__________

\\\\\\\\\\\\\\\\\\\\\

$\displaystyle\bf\\Otvet:x\in\Big(-\infty \ \ ; \ \ 7,5\Big]$