Posted by **Julie** on Saturday, July 6, 2013 at 10:46pm.

1 -1 -1 1 2

0 1 -3 -7 0

3 0 -2 2 10

6 2 4 5 9

-3Row1 + Row3

-6Row1 + Row4

How do I work this using a calculator I get so confused and I don't know where to go in order to input info.

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