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

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) $x = 0 . y = 5$