SOLUTION: Use Cramer rules to solve the equation x+y+z=6 x-y+z=2 2x+3+z=11

Question 1117195: Use Cramer rules to solve the equation
x+y+z=6
x-y+z=2
2x+3+z=11
Found 2 solutions by addingup, ikleyn:
Answer by addingup(3677)   (Show Source): You can put this solution on YOUR website!
Follow the process I show you on the illustration below to solve the other three matrices

Answer by ikleyn(52874)   (Show Source): You can put this solution on YOUR website!
.
If you REALLY WANT TO LEARN the Cramer rule on solving systems of 3 equations in 3 unknowns, read the lessons

    - HOW TO solve system of linear equations in three unknowns using determinant (Cramer's rule)
    - Solving systems of linear equations in three unknowns using determinant (Cramer's rule)

in this site.

Also, you have this free of charge online textbook in ALGEBRA-II in this site
    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.

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

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
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

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Couple of notices:

1. your system is written incorrectly. Check your source. 2. Matrices Dy and Dz are written INCORRECTLY in the post by other tutor.

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