Question

Решите неравенство |2-х|>1/3

Answer 1

|2-х|>1/3

2-x>1/3
x<2-1/3
x<1 2/3

2-x<-1/3
x>2+1/3
x>2 1/3

ответ 
х∈(-∞; 1 2/3)U(2 1/3;+∞)