Solve the following system in matrix form:
x - 2y + z = 2
2x + 4y + 2z = 8
-3x + 6y - 3z = -6

Question

midhun.madhu1987 · Answer

Multiply first equation by 2 and subtract second from first equation. This will eliminate both x and z. And you will get the value of y.

please make a try...

anonymous · Answer

@midhun.madhu1987 thanks! I had it done on a quiz but it was in matrix form... I ended up with all zeros on the last row but my professor marked it wrong...

midhun.madhu1987 · Answer

I guess... this will be simple for you.. let me know if you need any assitance..

anonymous · Answer

@midhun.madhu1987 
it looked like this:
[ 1 -2  1 | 2 ]
[ 2   4  2 | 8 ]
[ -3 6 -3 | 6 ]

midhun.madhu1987 · Answer

i know this process...but the other one is simple for me.. do u want me to try the matrix method?

anonymous · Answer

@midhun.madhu1987 if you could, that would be awesome! thanks! I'm stuck :3

midhun.madhu1987 · Answer

Let me make a try...

midhun.madhu1987 · Answer

First step...|dw:1407952157263:dw|