Consider the vector equation x(10)+y(01)=(52)x\begin{pmatrix} 1 \\ 0 \end{pmatrix} + y\begin{pmatrix} 0 \\ 1 \end{pmatrix} = \begin{pmatrix} 5 \\ 2 \end{pmatrix}x(10)+y(01)=(52). What is the value of x+yx+yx+y?
3
5
7
2