log81 2х-6=2 срочно решите

Question

log81 2х-6=2 срочно решите

Answer 1

log81 (2х-6) =2

 

2x - 6 = 81^2

 

2x - 6 = 6561

 

2x = 6561+6

 

2x = 6567

 

x = 6567/2

 

 

Answer 2

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