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Original Question
Use Gauss-Jordan to solve 3x + 2y = -4 4x – 2y = -10Asked by bob
Use Gauss-Jordan to solve
3x + 2y = -4
4x – 2y = -10
3x + 2y = -4
4x – 2y = -10
Answers
Answered by
drwls
Why do it the hard way?
Add the two equations to get
7x = -14
x = -2
y = (-4 -3x)/2 = 1
To apply the Gauss-Jordan method, read this:
http://mathrefresher.blogspot.com/2007/04/gauss-jordan-elimination.html
It seems like a waste of time to me.
Add the two equations to get
7x = -14
x = -2
y = (-4 -3x)/2 = 1
To apply the Gauss-Jordan method, read this:
http://mathrefresher.blogspot.com/2007/04/gauss-jordan-elimination.html
It seems like a waste of time to me.
Answered by
Anonymous
3x+4y=38
5x-5y=-30
5x-5y=-30
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