SOLUTION: Hi this is a system of equations with 3 variables. 4x-3y-2z=-5 3x+2y+7z=9 -2x+5y+8z=1 What are the values for x, y, and z? Thank you.

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: Hi this is a system of equations with 3 variables. 4x-3y-2z=-5 3x+2y+7z=9 -2x+5y+8z=1 What are the values for x, y, and z? Thank you.      Log On


   

Question 218232: Hi this is a system of equations with 3 variables.
4x-3y-2z=-5
3x+2y+7z=9
-2x+5y+8z=1
What are the values for x, y, and z? Thank you.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
4x-3y-2z=-5
3x+2y+7z=9
-2x+5y+8z=1
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I'll use determinants, since you didn't mention a method.
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Det = 4(16-35) + 3(24+14) - 2(15+4)
= -76 + 114 - 38
Det = 0
No unique solution.