Question

решите уравнение: 

log3(2x-1)=4

Answer 1

$log_{3} (2x-1) = log_{3}4 ^{3}$
2x - 1 = 64
2x = 65
x = 32,5

Answer 2

3^4=2x-1 2x-1=81 2x=82 x=41