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April 18, 2015

Posted by **ann :)** on Thursday, September 13, 2012 at 7:50pm.

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

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

solve the system

just need the steps how to do it

- college algebra -
**Reiny**, Thursday, September 13, 2012 at 7:54pmI would go for the y's

3 times the first added to the 2nd --->

4 times the first added to the 3rd ---->

you now have two equations with only x and z

try to finish it.

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