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July 30, 2015

Homework Help: Algebra

Posted by Kris on Wednesday, April 17, 2013 at 8:38pm.

2 questions I need some help with please!

1. Find the partial sum S5.
an= -2n+16

2.Solve the system by triangularizing the augmented matrix and using bakc substitution.
7x=y-6
3y= -5-2x

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