Solve the System of Equations by the Addition Method $\left\{ \begin{array} { l } x + y = 4 \\x - y = 4\end{array} \right.$

question 91

Multiple Choice

Solve the system of equations by the addition method.
- $\left\{ \begin{array} { l } x + y = 4 \\x - y = 4\end{array} \right.$

• A) \(( 0 , - 4 )\)
• B) \(( 4,0 )\)
• C) \(( 0,4 )\)
• D) \(( - 4,0 )\)

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