Задача 71571 ...

643e9319dc8af77c5440389e

17.05.2023 12:20:08

{ x+3 ≥ 8
{ (x+1)/3 < 6

5f3ea7e3faf909182968ddd9

17.05.2023 13:52:28

★

[m]\left\{\begin {matrix}x+3 ≥8\\\frac{x+1}{3}<6\end {matrix}\right.[/m]

[m]\left\{\begin {matrix}x ≥8-3\\\frac{x+1}[{}-6<0\end {matrix}\right.[/m]

[m]\left\{\begin {matrix}x ≥5\\\frac{x+1-3\cdot 6}{3}<0\end {matrix}\right.[/m]

[m]\left\{\begin {matrix}x ≥5\\x<17\end {matrix}\right.[/m]


О т в е т.[b][[/b]5;17[b])[/b]