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OpenStudy (anonymous):
11n - 19n =
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OpenStudy (anonymous):
-8n
OpenStudy (anonymous):
I don't get it, @amcdowns , can you explain how you got that?
OpenStudy (lgbasallote):
i think saying 0 is just as equally random
OpenStudy (anonymous):
Because it is n-n, n is cancelled and you have left simply 11-19, and therefore −8... I think.....
OpenStudy (anonymous):
Hmm, I don't know why the n's would cancel . . .
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OpenStudy (anonymous):
Well n is just a variable, you can just plug in 1...
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