SOLUTION: using x,y,and z as variables write the system for linear equations [9,1,0,8,|6] [-1,5,1,0|-12] [7,0,0,3|-9] [0,4,0,-4|8]

Algebra ->  Matrices-and-determiminant -> SOLUTION: using x,y,and z as variables write the system for linear equations [9,1,0,8,|6] [-1,5,1,0|-12] [7,0,0,3|-9] [0,4,0,-4|8]      Log On


   

Question 636091: using x,y,and z as variables write the system for linear equations
[9,1,0,8,|6]
[-1,5,1,0|-12]
[7,0,0,3|-9]
[0,4,0,-4|8]
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
The matrix



turns into the system of equations



Note: there are 4 columns before the augmented part (or column), so I had to use 4 variables instead of 3. Maybe there's a typo somewhere in the problem?