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1. Consider the following 3 systems of equations. Which 2 of them are equivalent with one-another (a) 2x 2y + z = 9 x + y + z = 2 y + z = 1
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Something seems amiss, are you sure you have copied them correctly?
Im sorry I have really bad internet connection right now but its fixed and im sure the question is right
What about the first equation, is there some kind of operator between the 2x and 2y?
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