Решите систему уравнений:

\(\displaystyle\begin{aligned}\begin{cases}4-2x=3(1-y){\small,}\\3(x+y)=x-1{,}5{\small.}\end{cases}\end{aligned}\)

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