Question

2(1 - х) - 4(5 - 2х) > 3 - 11(1 — х)

Answer 1

2(1-х)-4(5-2х) > 3-11(1-х)
2-2х-(20-8х) > 3-(11-11х)
2-2х-20+8х > 3-11+11х
2-20-3+11 > 11х+2х-8х
-10 > 5х |/5
-2 > х
Ответ: х < -2; х∈(-∞;-2).