Solve the System of Linear Equations by the Method of Elimination

Multiple Choice

Solve the system of linear equations by the method of elimination, find (x,y) . $\left\{ \begin{array} { l } \frac { x + 23 } { 8 } + \frac { y + 10 } { 7 } = 3 \\x - 9 y = 20\end{array} \right.$

A) No solution
B) (20 + 9a, a) (infinitely many solutions)
C) (-3, -7)
D) (38, 2)
E) (-7, -3)