SOLUTION: Find the unknown: x + y - 2z = 7 2x - 3y + 2z = 0 x - 2y - 3z = 3

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Question 633414: Find the unknown:
x + y - 2z = 7
2x - 3y + 2z = 0
x - 2y - 3z = 3
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Find the unknown:

 x + y - 2z = 7

 2x - 3y + 2z = 0

 x - 2y - 3z = 3

 d = 23,  Dx = 79,  Dy = 38, Dz = -22

  x = 79/23,  y = 38/23,  z = -22/23