2(x-1)- 3 < 5 (2x-1)-7x
2x-2-3<10x-5-7x<br>2x-10x+7x<2+3-5<br>-x<0<br>x>0
2х-2-3<10-5-7х<br>2х-5<10-5-7х<br>2х-5<3х-5<br>2х<3х<br>2х-3х<0<br>-х<0<br>х>0