Question 1073996
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On the Cramer's rule for solving systems of 3 equations in 3 unknowns see the lesson

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/Matrices-and-determiminant/HOW-TO-solve-system-of-linear-eqns-in-three-unknowns-using-det.lesson>HOW TO solve system of linear equations in three unknowns using determinant (Cramer's rule)</A>

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/Matrices-and-determiminant/Solving-systems-of-linear-equations-in-three-unknowns-using-determinant.lesson>Solving systems of linear equations in three unknowns using determinant (Cramer's rule)</A>

in this site.


Also, you have this free of charge online textbook in ALGEBRA-II in this site

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=https://www.algebra.com/algebra/homework/complex/ALGEBRA-II-YOUR-ONLINE-TEXTBOOK.lesson>ALGEBRA-II - YOUR ONLINE TEXTBOOK</A>.


The referred lessons are the part of this online textbook under the topic 
&nbsp;&nbsp;&nbsp;&nbsp; "<U>3x3-Matrices, determinants, Cramer's rule for systems in three unknowns</U>" 



In addition, there are many free of charge SOLVERS on a Cramer's rule in the internet.


One of such popular solvers is in this site under the link

<A HREF=https://www.algebra.com/algebra/homework/Matrices-and-determiminant/cramers-rule-3x3.solver>https://www.algebra.com/algebra/homework/Matrices-and-determiminant/cramers-rule-3x3.solver</A>


https://www.algebra.com/algebra/homework/Matrices-and-determiminant/cramers-rule-3x3.solver