SOLUTION: solve each system of equations by using cramers rule: {3x - 4y + 2z = 1 {x - y + 2z = -2 {2x + 2y + 2z = -3

Algebra.Com
Question 1052953: solve each system of equations by using cramers rule:
{3x - 4y + 2z = 1
{x - y + 2z = -2
{2x + 2y + 2z = -3

Found 2 solutions by Alan3354, ikleyn:
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
solve each system of equations by using cramers rule:
{3x - 4y + 2z = 1
{x - y + 2z = -2
{2x + 2y + 2z = -3
-------------
Step 1, find the determinant.
---

Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
.
.
On Cramer's rule for solving systems of 3 equations in 3 unknowns see the lessons
    - Determinant of a 3x3 matrix
    - Co-factoring the determinant of a 3x3 matrix
    - 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)
    - Solving word problems by reducing to systems of linear equations in three unknowns
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"


RELATED QUESTIONS

solve the system of equations using cramers rule 3y + 2x = z +1, 3x + 2z = 8y - 5, 3z -... (answered by ewatrrr)
using cramers rule solve the following systems of linear equations a. x-2y+3z = -7 (answered by MathLover1)
hello given the following system of three equations 3x-2y+z=-12 -x+y-2z=10... (answered by Edwin McCravy)
Solve the following system of equations by using reduction. 2x + 2y − 2z = 4 3x +... (answered by ankor@dixie-net.com)
Solve the following system of equations using cramer`s rule 2x + y - z= 5 3x - 2y +... (answered by Edwin McCravy)
solve the linear system of equations by crammers rule= -1/2x+3y+2z=-1 +3x+4y+5z=-2... (answered by Edwin McCravy)
Solve the system of equations. 2x-2y-2z=3 x+4y-z=2... (answered by Alan3354)
solve each system of equations by using cramers rule: {7x + 2y = 0 {2x + y =... (answered by Alan3354,ikleyn)
solve using Cramer's rule, i need all work shown please. 2x-y-2z+2s-5t=2... (answered by Alan3354)