Bunuel wrote:
If \(3^{-x}+3^{-x}+3^{-x}=1\), what is the value of x?
A. -1
B. -1/2
C. 1/3
D. 1/2
E. 1
3\(^{-x}\) =\(\frac{1}{3^{x}}\)
\(\frac{1}{3^{x}}\) +\(\frac{1}{3^{x}}\) +\(\frac{1}{3^{x}}\) = 1
\(\frac{1}{3}\) +\(\frac{1}{3}\) +\(\frac{1}{3}\) = 1
x = 1
Answer E
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