Question

Solve using matrices:
x+y-z=-4
3x-y+z=0
-x+3y-2z=1

I NEED THE ANSWER... !!!!

Answer 1

(1,-4,-7)

Answer 2

Thank you!!!

Answer 3

Welcome!

Answer 4

do you know the gaussian elimination method?

Answer 5

Yes, I was using it to solve your question.

Answer 6

Ok, I have another one that I would like you to look at!!! :)

Answer 7

Ok. sure and If you have confused about Gaussian elliminate. People perform on youtube are really good job.

Answer 8

x+y-z=2
-x-4y+4z=-14
-x-3y-2z=15

Answer 9

(-2,9,5)

Answer 10

Thank you... If I put these into a gaussian elimination calculator... are the variables (the x'x and y's) do they represent a or a ?

Answer 11

I worked on the paper, i dont know how to use the calculator, sorry!