Author Topic: solving systems of equations with 3 variables  (Read 1693 times)

Offline abczyx

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solving systems of equations with 3 variables
« on: November 18, 2012, 09:43:44 am »
can someone please solve the following 2 questions.

1)                                  x+y-z = 9
                                    3x+4y+3z= 2
                                    4x+5y+3z= 5



2)                                  x + y =  2
                                    x- y- z= -5
                                   x +3y +z= 9


please help and thanks in advance....
ASAP

Offline astarmathsandphysics

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Re: solving systems of equations with 3 variables
« Reply #1 on: November 18, 2012, 10:35:14 am »
here

Offline abczyx

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Re: solving systems of equations with 3 variables
« Reply #2 on: November 22, 2012, 04:30:36 am »
THANKS alot!!!!!