View Full Version : Elimination and substitution math
cheryl1269
Jan 14, 2009, 05:51 PM
how do I do this problem?
4x-3y=12
x+2y=14
galactus
Jan 14, 2009, 07:42 PM
Solve the bottom equation for x and sub into the top one. The top one will be entirely in terms of y. Solve away.;)
juhi2011
Jan 18, 2009, 10:46 PM
from any one equation find the value of x keep this value of x in other equation which will give you a quadtric equation in y . Solve for y and again for x.
bella06
Feb 26, 2010, 07:49 AM
b=2-3a
5a-3b=14
Unknown008
Feb 27, 2010, 07:47 AM
bella06, post your own thread please.
kwiss123
Oct 25, 2010, 01:42 PM
3x+8y=15
5x+10y+25
Unknown008
Oct 25, 2010, 10:36 PM
Since nobody seems to read the previous posts before posting...
THREAD CLOSED