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Solve for ( x ) : ( displaystyle 5 ^ { - 9 , x - 4 } =

Solve for \(x\):
\(\displaystyle 5^{-9\,x-4}=\displaystyle \frac{1}{125}\)\(x=\)\(\displaystyle -9\)
\(x=\)\(\displaystyle 9\)
\(x=\)\(\displaystyle -\frac{1}{9}\)
\(x=\)\(\displaystyle \frac{7}{9}\)
\(x=\)\(\displaystyle \frac{1}{9}\)
None of the above

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