35x−1=273^{ 5x-1 }=2735x−1=27
35x−1=333^{ 5x-1 }=3^335x−1=33
5x−1=35x-1 = 35x−1=3
5x=45x = 45x=4
x=0,8x = 0,8x=0,8
Ответ: 0,8