Z zhyia Junior Member Joined May 30, 2006 Messages 53 Jun 11, 2006 #1 1) 3+4x-1=x-7=2x First I combined liked terms 2+4x=3x-7 +7-4x -4x+7 9/-1=-1x/-1 x=-9 2) 3x+7=x-9 3x+7=x-9 +1x-7=1x-7 2x/2=-16/2 x=-8 Is the answers correct did I do the problems correctly?
1) 3+4x-1=x-7=2x First I combined liked terms 2+4x=3x-7 +7-4x -4x+7 9/-1=-1x/-1 x=-9 2) 3x+7=x-9 3x+7=x-9 +1x-7=1x-7 2x/2=-16/2 x=-8 Is the answers correct did I do the problems correctly?
skeeter Elite Member Joined Dec 15, 2005 Messages 3,204 Jun 11, 2006 #2 substitute your solutions into the original equation ... if each solution makes the original equations true, then you solved correctly.
substitute your solutions into the original equation ... if each solution makes the original equations true, then you solved correctly.
