conley
Dec 12, 2010, 02:28 PM
(fraction) 2/3x - y = 2
x + (fraction) 1/2y = 7
or
2/3x - y = 2
x + 1/2y = 7
x + (fraction) 1/2y = 7
or
2/3x - y = 2
x + 1/2y = 7
View Full Version : Solve by elimination: I need to elimiate x and then why and then substitute x and why