Use the Gauss-Jordan elimination to find the solution to the following system of equations.
I WILL GIVE A MEDAL!! :D
-x + y + z= -1
-x + 4y - 8z= -19
6x - 5y - 9z= 0

Question

Use the Gauss-Jordan elimination to find the solution to the following system of equations.
I WILL GIVE  A MEDAL!! :D
-x + y + z= -1 
-x + 4y - 8z= -19
6x - 5y - 9z= 0

anonymous · Answer

please help me @stamp, @satellite73

tkhunny · Answer

Well, do it.

Multiply the first by -1 and add to the second.  Replace the second with the sum.

Multiply the first by 6 and add to the third.  Replace the third with the sum.

Continue in this fashion with elementary row operations.

anonymous · Answer

Can you please show me how to do it step by step and find it for me?

stamp · Answer

http://tutorial.math.lamar.edu/Classes/Alg/AugmentedMatrix.aspx

anonymous · Answer

start with the coefficient matrix, and then perform elementary operations on each row until you get a triangular matrix from which you can figure out x,y,z
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