Решите систему уравнений:

\(\displaystyle\begin{aligned}\begin{cases}4y-3x=92{\small,}\\(7+x)^2-(8-x)^2=-45y{\small.}\end{cases}\end{aligned}\)

\(\displaystyle x=\) [ ] \(\displaystyle ;\)\(\displaystyle y=\)  [ ]\(\displaystyle .\)