systems of linear equation in three or two variables, solve the following systems using any method. how many solutions there are, and if needed find the set of all solutions in equation form like example: (x, 2x-1) 1. 2x - 3y = 8     6x + 4y = -2   2. x - 2y - z = -6   -x + 6y - 3z = 18  2x - 11y +5z = -33   3. 6x - 10y = 2 -15x + 25y = 5

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter5: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 8T
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systems of linear equation in three or two variables, solve the following systems using any method. how many solutions there are, and if needed find the set of all solutions in equation form like example: (x, 2x-1)

1. 2x - 3y = 8

    6x + 4y = -2

 

2. x - 2y - z = -6

  -x + 6y - 3z = 18

 2x - 11y +5z = -33

 

3. 6x - 10y = 2

-15x + 25y = 5

 

4. x + 2y - z = 2

    x -  y + 2z = 5

   2x + 2y + 2z = 12

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