SOLUTION: x1-x2+2x3=0 4x1+x2+2x3=1 x1+x2+x3=-1 gauss jordan elimination method

SOLUTION: x1-x2+2x3=0 4x1+x2+2x3=1 x1+x2+x3=-1 gauss jordan elimination method

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Question 983143: x1-x2+2x3=0
4x1+x2+2x3=1
x1+x2+x3=-1
gauss jordan elimination method
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

Replace R2 with 4*R3-R2,

Replace R3 with R3-R1,

Replace R3 with 2*R2-3*R3,

Replace R2 with 7*R3-2*R2,

Replace R1 with 21*R1+R2,

Replace R1 with 6*R3-R1,

Divide R1 by (-21), R2 by 21, and R2 by 7.

So,

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