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January 16, 2017

Homework Help: Math - system of eqns

Posted by Drake on Wednesday, June 1, 2016 at 6:32am.

Consider the system of equations:

x1 + x2 + x3 = 6,
−x1 − 2x2 + 3x3 = 1,
3x1 − 4x2 + 4x3 = 5.

(a) Write down the augmented matrix for this system

(b) Use elementary row operations to reduced the augmented matrix to reduced row-ecehelon form

FOR A: Ive got:

1 1 1 | 6
-1 -2 3 | 1
3 -4 4 | 5


I need help with B thanks.

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