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Using Cramer's Rule with a 3x3 System

Using Cramer's Rule with a 3x3 system
3x+4y+z=17
2x+3y+2z=15
x+y =4

Solution Preview

By using Cramer's Rule, we should rewrite the system into:
3x+4y+1*z=17
2x+3y+2z=15
1*x+1*y+0*z =4
then the determinant is:
|3 4 1|
D = |2 3 2| ...

Solution Summary

A system of equations is solved using Cramer's Rule.

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