The matrix below represents a system of equations.
2 -1 -3 | -20
-2 -6 6| -4
0 3 -2| -9
Which matrix represents
1/2 R2+R3 →R3?

The matrix below represents a system of equations 2 1 3 20 2 6 6 4 0 3 2 9 Which matrix represents 12 R2R3 R3 class=