SOLUTION: The following system is solved by substitution. Which expression is substituted for z in the second and third equations? x + 5y – z = 6 3x – y – 2z = 4 3x – 2y + 3z = 13

Algebra ->  Systems-of-equations -> SOLUTION: The following system is solved by substitution. Which expression is substituted for z in the second and third equations? x + 5y – z = 6 3x – y – 2z = 4 3x – 2y + 3z = 13       Log On


   



Question 530106: The following system is solved by substitution. Which expression is substituted for z in the second and third equations?
x + 5y – z = 6
3x – y – 2z = 4
3x – 2y + 3z = 13

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The following system is solved by substitution. Which expression is substituted for z in the second and third equations?
x + 5y – z = 6
3x – y – 2z = 4
3x – 2y + 3z = 13
-----------------------
x + 5y – z = 6
-----------
z = x + 5y - 6