SOLUTION: what are the three row operations we can use to solve systems of equations in matrix form

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Question 1044531: what are the three row operations we can use to solve systems of equations in matrix form
Answer by Edwin McCravy(20060) About Me  (Show Source):
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1. Interchanging two rows.
2. Multiplying a row through by a non-zero constant.
3. Adding one row (or a multiple thereof) to another row.