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-8x-4y=3

-2x-y=12

 Mar 17, 2016
 #1
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\(-8x-4y=3 \text{ (:4)} \\ -2x-y=12\\ \)

 

\(-2x-y=\frac34 \\ -2x-y=12\)

 

they are prallel because their slopes are the same

 Mar 17, 2016

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