Question

(|2x – 4| – 5)| = 9.​

Answer 1

Ответ:

|2x–4|–5=9

​|2x–4|=9+5

|2x–4|=14

2x–4=14       2x=18   $x_{1} =9$

2x–4=-14      2x=-10   $x_{2} =-5$