Question

Решите пример срочно

Answer 1

2^12x-1-4^6x-1+8^4x-1-16^3x-1=1280

2^12x-4*(8-4+2-1)=1280

2^12x-4*5=1280

2^12x-4=256=2^8

12x-4=8

12x=12

x=1