# Simple algebra!

Algebra Level 1

$\begin{cases} \begin{array}{rcr} x + y &=& 15 \\ 3y - x &=& 5 \end{array} \end{cases}$

If $$x$$ and $$y$$ satisfy the system of equations above, what is the value of $$x^2 + 2y + 1?$$

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