Log0,3(13-x)=log0,3(x+3)

Question

Log0,3(13-x)=log0,3(x+3)

Answer 1

Log_0,3(13-x)=log_0,3(x+3)
13-x=x+3
-x-x=-13-3
-2x=-10
x=5
Проверка:
log_0,3(13-5)=log_0,3(5+3)
log_0,3(8)= log_0,3(8)
ответ:5