Question 206059
 Solve each system by addition.As part of your answer indicate whether the equation are independent, dependent, or inconsistent. 
x-y=3
-6x+6y=17
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Multiply thru the 1st equation by 6 to get:
6x-6y = 18
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Add that to the 2nd equation to get:
0 = 35
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That is a contradictin that happened because we assumed
the "x" in both equations and the "y" in both equations
had a consistent meaning.
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They do not so the system of equations is said to be 
inconsistent.
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Cheers,
stan H.