Question

помогите с примером

Answer 1

$log_5(1 - 2x) = 3, (1-2x \ \textgreater \ 0, 2x \ \textless \ 1, x \ \textless \ 0.5) \\ log_5(1-2x) = log_5125 \\ 1 - 2x = 125 \\ 2x = -124 \\ x = -62$

Answer 2

$log_5(1-2x)=3$
ОДЗ: х< 0,5
1-2х=5³
1-2х=125
-2х=124
х=-62