Solve the System of Equations by the Addition Method $\left\{ \begin{array} { l } x + y = 33 \\x - y = 13\end{array} \right.$

Multiple Choice

Solve the system of equations by the addition method.
- $\left\{ \begin{array} { l } x + y = 33 \\x - y = 13\end{array} \right.$

A) No solution
B) (10, 23)
C) $\left( \frac { 33 } { 2 } , \frac { 13 } { 2 } \right)$
D) (23, 10)