Question

Solve using Gaussian Elimination or Gauss-Jordan Elimination:

4x-y+5z=11
x+2y-z=5
5x-8y+13x=7

Answer 1

you can try subtracting row 3 by row 1.

Answer 2

wow I am screwing this up, is there any other way to solve this? something easier?

Answer 3

1 0 1 3
0 1 -1 1
0 0 0 0

Answer 4

x=3/2 i think that is the answer(hehe find the rest of it ^^)

Answer 5

I would solve using cramer's rule ;)