Question

Solve the following system of equations using Gaussian elimination. Write the anwser as ordered triples and...

Solve the following system of equations using Gaussian elimination. Write the anwser as ordered triples and please show steps.

2x+y+2z=18

x-y+2z=9

x+2y-z=6

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Answer #1

2x + y + 2z = 18

x - y + 2z = 9

x + 2y - z= 6

solution is

( x, y , z ) = ( 5 , 2 , 3 )

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