Задание

Решите систему уравнений:

\(\displaystyle\begin{aligned}\begin{cases}7y-2x=39{\small,}\\(3+x)^2-(7-x)^2=-16y{\small.}\end{cases}\end{aligned}\)

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