Which system of equations is equivalent to the system of equations shown?
x - 2y = 4
3x + y = 9
A) 4x + y = 13 and 2x + 4y = - 8
B) 4x - y = 13 and 2x + 4y = 8
C) 4x + y = 13 and 2x - 4y = - 8
D) 4x - y = 13 and 2x - 4y = 8
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