Question

Afla valorile lui x numar nqtural care verifica inegalitatile ​

Answer 1

$1. \: \: x + 11 < 14 \\ x < 3 \\ x\in( - \infty ,3) \\ \\ \\ \\2. \: \: 6 + x < 11 \\ x < 5 \\ x\in( - \infty ,5) \\ \\ \\ \\3. \: \: 20 - x > 15 \\ x < 5 \\ x\in( - \infty ,5 ) \\ \\ \\ \\ 4. \: \: x - 8 < 5 \\ x < 13 \\ x\in( - \infty ,13) \\ \\ \\ \\ 5. \: \: x - 6\le9 \\ x \le15 \\ x\in( - \infty ,15] \\ \\ \\ \\ 6. \: \: 12 - x \ge7\\ x\le 5\\ x\in (-\infty ,5]$

Answer 2

am scris in poza rezolvarea la toate subpunctele