Решите систему уравнений:

\(\displaystyle\begin{aligned}\begin{cases}3(x-5)-7=6-4x{\small,}\\3(x-y)-2y=3{\small.}\end{cases}\end{aligned}\)

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