solve the system by substitution. 6x+8y=44 4x-8y= -64 simplify your answer type an ordered pair.

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Asked 11/11/2011 4:21:09 PM

Updated 3/13/2018 6:29:41 PM

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User: solve the system by substitution. 6x+8y=44 4x-8y= -64 simplify your answer type an ordered pair.

Weegy: 6x+8y=44 4x-8y= -64
Expert answered|yestfl|Points 10|

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Asked 11/11/2011 4:21:09 PM

Updated 3/13/2018 6:29:41 PM

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Flagged by Masamune [3/13/2018 6:29:39 PM]

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Masamune

6x + 8y = 44 ;
4x - 8y = -64;

(6x + 8y = 44) + (4x - 8y = -64) ;
10x = -20 ;
x = -20/10 ;
x = -2 ;

6(-2) + 8y = 44 ;
-12 + 8y = 44 ;
8y = 44 + 12 ;
8y = 56 ;
y = 56/8 ;
y = 7 ;

Solution set: (-2, 7)

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