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Is the following system consistent or inconsistent?

label Mathematics
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schedule 0 Hours
account_balance_wallet $5

Is the following system consistent or inconsistent?

 

-2x - 2y = 6

10x + 10y = -30 

Jan 20th, 2015

Yes they are consistent 

Multiplying first equation by -5 we get

10x+10y = -30

x+y = -3

x= k , y = -3-k is solution for all values of k

Jan 20th, 2015

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Jan 20th, 2015
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Jan 20th, 2015
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