8.
\begin{figure}[h]
\includegraphics[alt={},max width=\textwidth]{cb92f7b6-2ba5-4703-9595-9ba8570fc52b-14_976_1296_283_429}
\captionsetup{labelformat=empty}
\caption{Figure 2}
\end{figure}
The curves with equation \(y = 21 - 2 ^ { x }\) meet the curve with equation \(y = 2 ^ { 2 x + 1 }\) at the point \(A\) as shown in Figure 2.
Find the exact coordinates of point \(A\).