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December 19, 2014

December 19, 2014

Posted by **mike** on Thursday, December 17, 2009 at 8:00pm.

3x+y+5z=2

-x+y-2z=4

I need to solve each system of equations by using the inverse of the coefficient matrix. Are these the correct answers. Thank you

x=24

z=-14

y=0

- Algebra -
**Marth**, Thursday, December 17, 2009 at 8:02pmYou can check your answers by plugging those values for x, y, and z into each equation to determine if they work.

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