Question Number 133668 by Study last updated on 23/Feb/21
$$\mathrm{2}{x}×−\mathrm{2}\left\{\mathrm{3}{x}−\left(\mathrm{2}+{x}\right)−\mathrm{1}\right\}\boldsymbol{\div}\mathrm{2}=? \\ $$
Commented by Study last updated on 24/Feb/21
$${why}\:{you}\:{not}\:{ans}\:{me}? \\ $$