xapugin2012 3(5/2х-2/10)-226/15=6-2/3+5/10х
15/2х-6/10-226/15=5 3/3-2/3+1/2х
15/2х-3/5-226/15=5 1/3+1/2х
15/2х-470/30=16/3+1/2х
15/2х-1/2х=16/3+470/30
14/2х=16/3+47/3
7х=63/3
7х=21
х=21:7
х=3