Posted by **ann :)** on Thursday, September 13, 2012 at 7:57pm.

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

3x-12y+6z=-4 (2)

9x-16y+4z=-3 (3)

solve the system.

show steps and answers i tried this problem really difficult

- college algebra -
**Reiny**, Thursday, September 13, 2012 at 8:06pm
And exactly what didn't you like about the answer I gave you a few minutes ago to this question?

- college algebra -
**ann :)**, Thursday, September 13, 2012 at 8:08pm
thank you.

- college algebra -
**Reiny**, Thursday, September 13, 2012 at 8:12pm
you are welcome, let me know what answers you got

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