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Which ordered pair is the solution to the system of equations?
2x+y=-8
x-y=-4
A) (-3,-2)
B) (-1,3)
C) (1,5)
D) (-4,0)

Sagot :

Luanaid
[tex] \left \{ {{2x+y=-8} \atop {x-y=-4}} \right. \\+----\\\\3x=-12\ \ \ \ |:3\\x=-4\\\\-4-y=-4\\-4+4=y\\y=0\\\\Answer\ D(-4,0)[/tex]

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