Posted by **Matt** on Tuesday, October 25, 2011 at 11:51pm.

Find a system of linear equations corresponding to the following augmented matrices:

(a)

2 0 |0

3 −4 |0

0 1 |1

(b)

3 0 −2 |5

7 1 4 |−3

0 −2 1 |7

(c)

7 2 1 −3 |5

1 2 4 0 |1

(d)

1 0 0 0 |7

0 1 0 0 |−2

0 0 1 0 |3

0 0 0 1 |4

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