Question 1117195
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If you &nbsp;<U>REALLY WANT TO LEARN the Cramer rule on solving systems of &nbsp;3&nbsp; equations in &nbsp;3&nbsp; unknowns</U>, &nbsp;read the lessons


&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, &nbsp;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, &nbsp;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


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<U>Couple of notices</U>:


<pre>
    1.  your system is written incorrectly.  Check your source.


    2.  Matrices Dy and Dz are written INCORRECTLY in the post by other tutor.
</pre>