Question

5^ (x-1) = 1953125

Answer 1

\(5^{x-1}=1953125\)

\(\Rightarrow5^{x-1}=5^9\)

\(\Rightarrow x-1=9\)

\(\Rightarrow x=10\)

Answer 2

\(5^{x-1}=1953125\)
\(\Leftrightarrow5^{x-1}=5^9\)
\(\Leftrightarrow x-1=9\)
\(\Leftrightarrow x=9+1\)
\(\Rightarrow x=10\)

Answer 3

\(5^{x-1}=1953125\)

\(\Rightarrow5^{x-1}=5^9\)

\(\Rightarrow x-1=9\)

\(\Rightarrow x=9+1\)

\(\Rightarrow x=10\)

Vậy x = 10