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jamezdmm jamezdmm
  • 19-12-2014
  • Mathematics
Answered

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)

Verified Answer :

AwfulLife
AwfulLife AwfulLife
  • 19-12-2014

2x+y=-8
x-y=-4 
+------------
3x= -12
x= -4

x-y= -4
-4 -y= -4
y=0

This questin answer is  D(-4,0)

Hope this helps :))

Answer Link
konrad509
konrad509 konrad509
  • 19-12-2014

\(2x+y=-8\\ x-y=-4\\ ------\\ 3x=-12\\ x=-4\\\\ -4-y=-4\\ -y=0\\ y=0\\\\ (-4,0) \Rightarrow D\)

Answer Link

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