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August 21, 2014

August 21, 2014

Posted by **Lucia** on Tuesday, February 19, 2013 at 3:15pm.

- math -
**Steve**, Tuesday, February 19, 2013 at 3:21pmThe (n+1)st term is a+nd

a+3d=-6

a+10d = -34

subtract to get 7d = -28

having d, now you can get a, since

a+3d = -6

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