1003138513

Level: 
Project ID: 
1003138513
Accepted: 
1
Clonable: 
0
Easy: 
0
How many of the following equations have the solution that is a prime number? \[ \begin{aligned} \log_2\!\left(3^x-1\right)&=3 \\ \log_3\!\left(8^x+1\right)&=2 \\ \log_{\frac12}\!\left(2^x+8\right)&=-4 \end{aligned} \]
\( 2 \)
\( 3 \)
\( 1 \)
\( 0 \)