Анонимно

решите неравенство |1-2x|<5

Ответ

Анонимно
[tex] |1-2x|\ \textless \ 5 [/tex]

[tex] \left \{ {{ 1-2x \ \ \textless \ \ 5} \atop { 1-2x \ \ \textgreater \ -5}} \right. \Rightarrow \left \{ {{ -2x \ \ \textless \ \ 4} \atop { -2x \ \ \textgreater \ \ -6}} \right. \Rightarrow \left \{ {{ x \ \textgreater \ -2} \atop { x \ \textless \ 3}} \right.[/tex]

Ответ: 
[tex]-2 \ \textless \ x \ \textless \ 3[/tex]