Question

Найдите корень уравнения

Answer 1

$(frac{1}{5}) ^{-5+x}=125\\((5^{-1})) ^{-5+x}= 5^{3}\\5^{5-x}= 5^{3}\\5-x=3\-x=-2\x=2$

Answer 2

(1/5)^(-5+х=(1/5)^(-3)

-5+х=-3

х=2