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December 20th, 2015, 12:58 AM  #1 
Newbie Joined: Dec 2015 From: London Posts: 1 Thanks: 0  System of 9 linear equations, 9 variables
Which is the solution (if any) of the following system of equations: 10/3a+b=10/3 a*x+b=2x+10 c*x+d=2x+10 10c+d=0 2e+f=6 e*y+f=0 a*y+b=0 e*z+f=2z+10 c*z+d=2z+10 
December 20th, 2015, 01:40 PM  #2 
Global Moderator Joined: May 2007 Posts: 6,807 Thanks: 716 
The system is not linear, since it has terms which are the product of two unknowns. You could eliminate x,y,z and get six equations involving a,b,c,d,e,f, but going further would require solving nonlinear equations.
Last edited by mathman; December 20th, 2015 at 01:40 PM. Reason: typo 

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