L lrios New member Joined Mar 24, 2012 Messages 2 Mar 25, 2012 #1 it says solve the equation: 6d+7=5d+2 I tried: 6d+7=5d-2 -7= -7 6d/6d=2d/6-2 d=0.3d-2 but I know is wrong I need advice to solve it the right way. Thanks!
it says solve the equation: 6d+7=5d+2 I tried: 6d+7=5d-2 -7= -7 6d/6d=2d/6-2 d=0.3d-2 but I know is wrong I need advice to solve it the right way. Thanks!
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,325 Mar 25, 2012 #2 Back up to "-7 = -7". Ponder why you decided to do that. Ponder what effect "-7" should have on each side. Show your result after ONLY "-7 = -7". Don't try to do five things at once.
Back up to "-7 = -7". Ponder why you decided to do that. Ponder what effect "-7" should have on each side. Show your result after ONLY "-7 = -7". Don't try to do five things at once.
