Question

2x+2y-z=9
3x-2y+3z=9
x-2y+z=3

Answer 1

I don't know

Answer 2

http://ncalculators.com/matrix/cramers-rule-calculator.htm

Answer 3

go to this website, enter the numbers and will give you answer

Answer 4

This is cramer's rule..?

Answer 5

No wait it ain't..

Answer 6

\[\{x=4,y=0,z=-1\} \]

Answer 7

We have to add the first eq with the second one.

Answer 8

@shay928 What's actually your whole ques?

Answer 9

Because their are 2 methods.

Answer 10

it says to solve using any algebraic method

Answer 11

how did you find the answer @robtobey

Answer 12

and how do i know if its cramers rule or not?