Question

Найти корень уравнения:

(1/4)^(-3+x)=4

Answer 1

(1/4)^(-3+x)=4

2^(-2*(x-3))=2^2

3-x=1

x=2

 

Answer 2

(1/4)^(-3+x)=4

4^(3-χ)=4^1

3-χ=1

-χ=1-3

-χ=-2

χ=2