How do you pivot the system about the circled element?

[ 1 3 l 4 ]
[ 2 4 l 6 ]

The circled element is "1".....the top numbers are 1 3 6......botton are 2 4 6

Question

How do you pivot the system about the circled element?

[  1  3  l 4 ]
[  2  4  l 6 ]

The circled element is "1".....the top numbers are 1 3  6......botton are   2   4  6

anonymous · Answer

The weeks subject is "Systems of linear equations and matrices"

anonymous · Answer

are you reducing this?

anonymous · Answer

multiply the top row by negative 2 and add to the second row.  you end up with:  [1 3 |4]
                    [0-2|-2]     so y =1

anonymous · Answer

I do not know...It says to pivot the system about the circled element. the cirlced number is 1

anonymous · Answer

Why do you multiphy by -2?