how do you solve x+y=2000;6x+8y=14400 using gauss-jordan elimination medthod?

3 answers

http://www.gregthatcher.com/Mathematics/GaussJordan.aspx
Add (-6 * row1) to row2
1 1 2000
0 2 2400

Divide row2 by 2
1 1 2000
0 1 1200

Add (-1 * row2) to row1
1 0 800
0 1 1200
I found that with Google. I just put in: Gauss Jordan Calculator. There were lots of them. I just picked the first one on the list.