February 28, 2017

Homework Help: Algebra 2

Posted by Sira on Tuesday, May 8, 2012 at 3:33am.

What would be the simplest way to eliminate one of the variables? Below is a system of three equations in three variables:
1. x+y+3z=7
2. 2x-4y+z=7
3. 3x+5y-4z=-6

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