Question

Solve

Answer 1

\[\log_{x-1} 16=4\]

Answer 2

@jdoe0001

Answer 3

\(\large {
\log_{{\color{brown}{ x-1 }} } {\color{blue}{ 16}}=4\implies {\color{blue}{ 16}}={\color{brown}{ (x-1)}}^4\qquad
\begin{array}{llll}
hint:\\
\textit{keep in mind that }16=2^4
\end{array}
}\)

Answer 4

x=3 right?

Answer 5

hmm well... how did you get x =3 though?

Answer 6

because (x-1)^4

Answer 7

Thanks :) Can you help me with one more?

Answer 8

hmmm that's a good way to do it, yes

and then take the quartic root

Answer 9

you could post anew, thus if I dunno, someone else may know