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Teachers' Lounge Discussion: System of equations

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From: Loyd

To: Teacher2Teacher Public Discussion
Date: 2007021804:53:57
Subject: Re: System of equations

On 2007021316:10:25, Alex wrote: > >could someone please help me solve this system of equations???? > > > >x + y + 2z = 8 > >3x + 4y + z = 24 > >x - y + 2z = - 40 > Subtract the third equation from the first equation and you will eliminate two varibles. This will give you 2y = 48. That will be a start.

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