Solve the System of Equations Using the Addition Method: X $x = \frac { 1 } { 2 } , u = 4 \frac { 1 } { 2 }$

question 17

Multiple Choice

Solve the system of equations using the addition method: x + y = 5
-x + y= 4

• A) \(x = \frac { 1 } { 2 } , u = 4 \frac { 1 } { 2 }\)
• B) \(x = 4 \frac { 1 } { 2 } , u = \frac { 1 } { 2 }\)
• C) \(x = - 4 . y = 0\)
• D) \(x = 0 . y = 5\)

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