Ответ Автор - 2407Alexa 1-3х<=((х+1)/2)-1<=х-3|×22-6х<=(х+1)-2<=2х-62-6х<=х-1<=2х-62-6х-х+1<=2х-63-7х<=2х-6-7х-2х<=-6-3-9х<=-9|÷(-9)х>=1