« previous next »
Pages: [1]   Go Down

Author Topic: solving systems of equations with 3 variables  (Read 1699 times)

Offline abczyx

  • Newbie
  • *
  • Posts: 5
  • Reputation: 19
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
Logged

Offline astarmathsandphysics

  • SF Overlord
  • *********
  • Posts: 11271
  • Reputation: 65534
  • Gender: Male
  • Free the exam papers!
Re: solving systems of equations with 3 variables
« Reply #1 on: November 18, 2012, 10:35:14 am »
here
Logged

Offline abczyx

  • Newbie
  • *
  • Posts: 5
  • Reputation: 19
Re: solving systems of equations with 3 variables
« Reply #2 on: November 22, 2012, 04:30:36 am »
THANKS alot!!!!!
Logged
Pages: [1]   Go Up
« previous next »