Question

Find the exact solution
log5(x-4)=-1. I got an answer of -1 is this right?

Answer 1

\[\log_5(x-4)=-1\]\[5^{-1}=x-4\]

Answer 2

\[x=\frac{1}{5}+4\]

Answer 3

where did the 1/5 come form and why is it not negative

Answer 4

\[5^{-1}=\frac{1}{5}\]

Answer 5

oh

Answer 6

\[\large{x^{-n}=\frac{1}{x^n}}\]

Answer 7

so the end answer is 4.2?

Answer 8

yes

Answer 9

awesome i got it so hold on thers one more

Answer 10

if the base of log is 10 then answer will be 4.02 and if the base is 5 then answer will be 4.2