how do you do the matrices?

Question

row operation properties of matrices.

Answer 1

There are 3 types of row operations:

1. Each element of a row may be multiplied or divided by a number.
2. Two rows may be interchanged
3. A multiple of one row may be added to or subtracted from another row.

It sounds a lot more complicated than it is, so check out the website below for a great example.

Answer 2

Dividing or multiplying any row by a constant
adding or subtracting two or more rows