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I need help solving this matrix problem dealing with systems.
2x+4y=2
-3x+y=11
This is what I have so far.
2 4 2
-3 1 11
I multiplied the first row by 1/2 to get 1 in place of the 2 in first row. -Correct.
So then I need to get a 0 at the bottom of the first column. - Correct
I multiplied -3 by the first row and got -3 -6 and -3. - Incorrect. Multiply by "3" (instead of "-3")
and then add. You will be on the right track.
I added the product here to the bottom row. This is where I think I got lost.
In the original system there is a 1 on the bottom row second column.
When I added the product I got -2, so I'm not sure from here
how to finish solving?
