12x+4y+2z=-7 (1)

Question

3x-12y+6z=-4 (2)
9x-16y+4z=-3 (3)
solve the system.
show steps and answers i tried this problem really difficult

Answer 1

And exactly what didn't you like about the answer I gave you a few minutes ago to this question?

Answer 2

thank you.

Answer 3

you are welcome, let me know what answers you got