5x + 3y + z = 18 2x + y + 2z = 18 3x + 2y + z = 14
M mathox New member Joined Apr 13, 2009 Messages 5 Apr 27, 2009 #1 5x + 3y + z = 18 2x + y + 2z = 18 3x + 2y + z = 14
D Deleted member 4993 Guest Apr 27, 2009 #2 Re: 3 equation help mathox said: 5x + 3y + z = 18 2x + y + 2z = 18 3x + 2y + z = 14 Click to expand... What have you been taught about solving these problems? What do you get - if you add the 2nd. and the 3rd equations? Please show us your work, indicating exactly where you are stuck - so that we know where to begin to help you.
Re: 3 equation help mathox said: 5x + 3y + z = 18 2x + y + 2z = 18 3x + 2y + z = 14 Click to expand... What have you been taught about solving these problems? What do you get - if you add the 2nd. and the 3rd equations? Please show us your work, indicating exactly where you are stuck - so that we know where to begin to help you.
M mathox New member Joined Apr 13, 2009 Messages 5 Apr 27, 2009 #3 i got it...i was doing the wrong way
