Question

решить неравенство. 9 класс, с объяснением.​

Answer 1

$\displaystyle\bf\\|5x-4|\leq2\\\\-2\leq 5x-4\leq 2\\\\-2+4\leq 5x-4+4\leq 2+4\\\\2\leq 5x\leq 6\\\\2:5\leq 5x:5\leq 6:5\\\\0,4\leq x\leq 1,2\\\\Otvet: \ x\in\Big[0,4 \ ; \ 1,2\Big]$