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 April 7th, 2014, 02:44 AM #1 Newbie   Joined: Apr 2014 From: Sheffield Posts: 1 Thanks: 0 Simultaneous equations I have this equation: A+b =0 A+c = 6 I've been told I can work this out using simultaneous equations but I don't know how to to do this with 3 different unknowns instead of 2. I feel like I am missing some info. Can anyone help?
 April 7th, 2014, 02:57 AM #2 Math Team   Joined: Nov 2010 From: Greece, Thessaloniki Posts: 1,989 Thanks: 133 Math Focus: pre pre pre pre pre pre pre pre pre pre pre pre calculus You have infinite solutions, A=-b and $A+c=6\Rightarrow c=6-A=6+b$, so the solutions are $(A,b,c)=(-b,b,6+b)$.

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