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Is the following system consistent or inconsistent? 7x + 6 = -2y -14x -4y +

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Is the following system consistent or inconsistent?

 

7x + 6 = -2y

-14x -4y + 2 = 0 

Jan 20th, 2015

7x+2y =-6

-14x-4y = -2

-14x-4y = -12 by multiplying first equation by -2

They are not consistent  because in one case it is -2 and in another -12

Jan 20th, 2015

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Jan 20th, 2015
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Jan 20th, 2015
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