When solving system of linear equations using matrices,
| prefer reduced row echelon form

As all the diagonal elements are 1, and we have have each column having only ne non zeros elemint that is 1.

Then it is much easier to find the unknown variables, compared to row echelon form

As all the diagonal elements are 1, and we have have each column having only ne non zeros elemint that is 1.

Then it is much easier to find the unknown variables, compared to row echelon form