Tuesday

March 3, 2015

March 3, 2015

Posted by **CHRYSTABELLE** on Thursday, July 28, 2011 at 9:18am.

3x+2y-z = 0

2x-y+z = 1

x-y+2y= -1

- maths -
**drwls**, Thursday, July 28, 2011 at 9:51amCramer's rule is well explained here:

http://www.purplemath.com/modules/cramers.htm

You will need to calculate the determinants of four 3x3 matrices. I assume you know how to do that. If not, it's high time to learn how.

**Answer this Question**

**Related Questions**

Discrete Math - I am really stuck on these problems. I've worked a lot of them ...

maths - use the substitution method to solve the linear system. 1. 3x=9 -x+2y=9 ...

maths - use the inverse method to solve the system of linear equations -x +3y+2=...

Algebra - Use Cramer's rule to solve the following system of equations. If D=0, ...

linear algebra - Use an inverse matrix to solve each system of linear equations...

linear algebra - Use an inverse matrix to solve each system of linear equations...

linear algebra - Use an inverse matrix to solve each system of linear equations...

Math - Use linear combinations to solve the system of linear equations. 5x=4y-30...

Math - use linear combinations to solve the system of linear equations. 2x+y=4 x...

math - PLEASE!!!!i need help on these 4: *4y=15-3x 2y=3x+21 *4x=5y-14 y=-6x-9 *...