Question

$log_{3 } frac{5x-1}{x+1}$ = $log_{3 }3$

Answer 1

1).ОДЗ: 5x-1/x+1>0
5x-1>0    x не равно 0
5x>1
x>0,2

2).5x-1/x+1=3
(5x-1=3x+3)x+1
2x=4
x=2