Question

I think the answer is (1,3,-2) But i am not sure... Help?

Use the elimination method to solve the following system of equations.

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

Answer 1

That is the correct answer.

Answer 2

Thank you!

Answer 3

You can verify using wolfram alpha

Answer 4

or you can plug in the potential solutions into each equation and evaluate to verify it that way

Answer 5

I never tried to verify using wolfram but ill try thanks!

Answer 6

http://www.wolframalpha.com/input/?i=2x-y%2Bz%3D-3%2C2x%2B2y%2B3z%3D2%2C3x-3y-z%3D-4

Answer 7

Cool.