2x + 3y =1 5x + 3y + 16. I'm still stuck!
J judyb New member Joined Feb 14, 2007 Messages 6 Feb 15, 2007 #1 2x + 3y =1 5x + 3y + 16. I'm still stuck!
skeeter Elite Member Joined Dec 15, 2005 Messages 3,215 Feb 15, 2007 #2 I assume you mean ... 2x + 3y = 1 5x + 3y = 16 change the sign of every term in the first equation and combine the two equations term for term ... -2x - 3y = -1 5x + 3y = 16 ----------------- 3x = 15 note that the y-terms are eliminated because their sum is zero (hence, the name for the process of elimination) you unstuck now?
I assume you mean ... 2x + 3y = 1 5x + 3y = 16 change the sign of every term in the first equation and combine the two equations term for term ... -2x - 3y = -1 5x + 3y = 16 ----------------- 3x = 15 note that the y-terms are eliminated because their sum is zero (hence, the name for the process of elimination) you unstuck now?
J judyb New member Joined Feb 14, 2007 Messages 6 Feb 16, 2007 #3 Thank you You have been very helpful!