LAST QUESTION THX :)

label Mathematics
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Find the third term for the arithmetic sequence.  SHOW ALL OF THE WORK PLEASE.
A(n) = 7 + (n - 1)(-2)
Oct 21st, 2017

A(3)=7+(n-1)(-2)

        = 7+(-2n+2)

        = 7-2n+2

         = 9-2n

Dec 21st, 2014

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