Question

Solve 3x – 2y + z = -5
-2x + 3y – 3z = 12
3x – 2y – 2z = 4

Answer 1

Do you know how to use matricies?

Answer 2

find x, y, and z

Answer 3

matrices*

Answer 4

can I solve through elimination instead?

Answer 5

You could, I just didnt know how you were meant to solve it

Answer 6

however I want but I prefer elimination

Answer 7

Try adding eq. 1 and 3 together

Answer 8

oh! I never though of that.... thanks