Homework Help: Math

Posted by Geno on Monday, September 24, 2007 at 9:56pm.

Could you please show me how to do this?

It says to use the elimination method.

2x-y+2z=-7
-x+2y-4z=5
x+4y-6z=-1

Math - bobpursley, Monday, September 24, 2007 at 10:32pm
http://library.thinkquest.org/C0110248/algebra/simelimination.htm
Math - Geno, Monday, September 24, 2007 at 10:59pm
I know how to use the elimination method, I just get really confused when there's three lines and three variables.

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