Solve the Problem $$\left\{ \begin{array} { l } x + y = - 9 \\x - y = 19\end{array} \right.$$

question 9

Multiple Choice

Solve the problem.
- $$\left\{ \begin{array} { l } x + y = - 9 \\x - y = 19\end{array} \right.$$

• A) \(\{ ( 5 , - 14 ) \}\)
• B) \(\{ ( 5,14 ) \}\)
• C) \(\{ ( 9,5 ) \}\)
• D) \(\{ ( 9 , - 14 ) \}\)

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