Estimate the solution to the following system of equations by graphing.
\frac{2}{5} + 2y = -\frac{3}{7} \\ -x + 5y = 6
A. x = \frac{1}{2} , y = -\frac{9}{2}
B. x = -\frac{9}{2} , y = \frac{1}{2}
C. x = -\frac{7}{2} , y = \frac{1}{2}
D. x = \frac{1}{2} , y = -\frac{7}{2}