Question

log1/3(5x-7)-log1/3 5=log1/3 16-log1/3 10

Answer 1

log1/3(5x-7)-log1/3 5=log1/3 16-log1/3 10
ОДЗ x>7/5
log1/3(5x-7)/5=log1/3 16 /10
10(5x-7)=16*5
50x-70=80
50x=150
x=3