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September 21, 2014

September 21, 2014

Posted by **linda** on Wednesday, August 8, 2007 at 5:43pm.

Show work.

x + 2y – 3z = -22

2x – 6y + 8z = 74

-x – 2y + 4z = 29

Cramer’s rule uses determinants to find the solution

Set up a 3by3 matrix using the coefficients of the x,y and z, and find its determinant, calling it D.

You can see a good example at

http://www.mathwords.com/c/cramers_rule.htm

- cramers rule -
**nessa**, Saturday, October 6, 2007 at 6:13pmWhich method is most efficient for solving large systems, Cramer's Rule or Gaussian Elimination and why?

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