Question

6^(x-2)-6^(x-1)=-180

Answer 1

$6 ^{x-2}-6 x^{x-1} = - 180 6^(x-2)(1-6)=-180 6^(x-2)=-180/(-5) 6^(x-2)=36 6^(x-2)=6^2 x-2=2 x=4$
Ответ:4