Решите систему уравнений:
\(\begin{aligned}\begin{cases}\dfrac{2x}{7}+\dfrac{5y}{28}=\dfrac{15}{14}{,}\\\\\dfrac{2x}{13}=\dfrac{19}{13}-\dfrac{3y}{26}{.}\end{cases}\end{aligned}\)
\( x=\) \( ;\)\( y=\) \( .\)