O overdue New member Joined Oct 24, 2006 Messages 2 Oct 24, 2006 #1 Solve the system by elimination 5x-2y+5z=7 2x-2y-3z=9 6x-y-4z=17 You have to get a coordinate for the answer but I think I'm doing something wrong.
Solve the system by elimination 5x-2y+5z=7 2x-2y-3z=9 6x-y-4z=17 You have to get a coordinate for the answer but I think I'm doing something wrong.
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,325 Oct 24, 2006 #2 It's pretty tough to tell what you're doing wrong without you showing us what you're doing. Describe your plan. What is your first step?
It's pretty tough to tell what you're doing wrong without you showing us what you're doing. Describe your plan. What is your first step?
O overdue New member Joined Oct 24, 2006 Messages 2 Oct 29, 2006 #3 Nevermind...I checked my work and I had forgotten to change negative and positive signs. Thanks anyways!
Nevermind...I checked my work and I had forgotten to change negative and positive signs. Thanks anyways!
