Determine the Values of the Parameter S for Which the System

question 14

Multiple Choice

Determine the values of the parameter s for which the system has a unique solution, and describe the solution.
- $$\begin{array} { l } 2 x _ { 1 } + 2 x _ { 2 } = 26 \\2 x _ { 1 } - 2 x _ { 2 } = - 10\end{array}$$

• A) \(( 4,9 )\)
• B) \(( - 4 , - 9 )\)
• C) \(( 9,4 )\)
• D) \(( - 9,4 )\)