anonymous
  • anonymous
Would there be no solutions? -x+2z=-9 -x-3y-4z=2 -3x-2y+2z=17
Mathematics
chestercat
  • chestercat
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hba
  • hba
@Rayyee Did you try to solve it ?
hba
  • hba
How can you say that there will be no solutions ?
anonymous
  • anonymous
Because when I plugged it in the Calculator ( you know the Matrix method) it said like error meaning there is no solution?

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hba
  • hba
Well there will be solutions,What about trying the substitution method ?
hba
  • hba
@Rayyee Or Is your question related to Matrices ?
anonymous
  • anonymous
OKay no I tryed doing that so I got -21-42z=77 and 21y+42z=33 it would cancel each other out...
hba
  • hba
yeah adding them up will get you y :)
anonymous
  • anonymous
oops I ment -21y-42z=77 and 21y+42z=33
anonymous
  • anonymous
the y val and z value cancels O:
hba
  • hba
Well then there is no solution.
hba
  • hba
@Rayyee I think you are done ?
anonymous
  • anonymous
ut may you double check X) Because maybe I made a mistake but to me I keep re checking and it seem slike I am still right
hba
  • hba
@Rayyee You are Right then i guess.
jim_thompson5910
  • jim_thompson5910
I just answered this question (about 25 minutes ago) and the numbers and equations are the exact same. See this link http://openstudy.com/users/jim_thompson5910#/updates/50ae767ee4b09749ccabe850
hba
  • hba
Good to hear you answered this question :D
anonymous
  • anonymous
OH COOL thanks!
hba
  • hba
As i Said @Rayyee You Are correct.

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