Question

Решите неравенство: 6+х<3-2х

Answer 1

6+х<3-2х
х+2х=3-6
х< -1

Answer 2

$6+x\ \textless \ 3-2x \\ \\ x+2x\ \textless \ 3-6 \\ \\ 3x\ \textless \ -3 \\ \\ x\ \textless \ -1$

ответ: x∈(-∞;-1)