SOLUTION: Decide whether the given ordered pair is a solution of the given system. (3,-4) x+y=-1 2x+4y=18

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Question 1005465: Decide whether the given ordered pair is a solution of the given system.
(3,-4)
x+y=-1
2x+4y=18

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Decide whether the given ordered pair is a solution of the given system.
(3,-4)
x+y=-1
2x+4y=18
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Substitute 3 for x and -4 for y::
3-4= -1
True
----
2*3+4(-4) = 18
6-16 = 18
False
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Not a solution for the system.
Cheers,
Stan H.
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