SOLUTION: 1/2x - 1/3y - 1/2z = 1/10 1/3x - 1/4y + 1/3z = 1/8 1/4x - 1/5y + 1/4z = 1/10

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: 1/2x - 1/3y - 1/2z = 1/10 1/3x - 1/4y + 1/3z = 1/8 1/4x - 1/5y + 1/4z = 1/10      Log On


   

Question 1020456: 1/2x - 1/3y - 1/2z = 1/10
1/3x - 1/4y + 1/3z = 1/8
1/4x - 1/5y + 1/4z = 1/10
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use Cramer's rule,

abs%28A%29=1%2F240
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abs%28A%5Bx%5D%29=1%2F3600
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abs%28A%5By%5D%29=-1%2F480%0D%0A
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abs%28A%5Bz%5D%29=1%2F3600
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x=abs%28A%5Bx%5D%29%2Fabs%28A%29=%28-1%2F3600%29%2F%281%2F240%29=-1%2F15
y=abs%28A%5By%5D%29%2Fabs%28A%29=%28-1%2F480%29%2F%281%2F240%29=-1%2F2
z=abs%28A%5Bz%5D%29%2Fabs%28A%29=%281%2F3600%29%2F%281%2F240%29=1%2F15