-- Posted by ashleexoxo at 3:37 pm on Jan. 6, 2009 you can use subsitution or elimination 6x + y - 4z = -8    y/4 - z/6 =0 2x        - z   = -2 yea i think it come out to be a fraction but im not sure need help with the steps to do it -- Posted by A Bittersweet Life at 3:38 pm on Jan. 6, 2009 what are you solving for exactly? -- Posted by WhoElse at 3:39 pm on Jan. 6, 2009 solve everything for z and then plug it in -- Posted by Kilanna at 3:43 pm on Jan. 6, 2009 What the hell kind of math is that?!?!? -- Posted by Drinkingjam at 3:44 pm on Jan. 6, 2009 E=Mc2*Chuck(NorrisX666) -- Posted by nullPointerException at 7:32 pm on Jan. 6, 2009 Google matrices and crammer's rule -- Posted by buffered at 9:48 pm on Jan. 6, 2009 from ur 3rd eqn, make z the subject. z = 2x + 2. sub this into eqn 1 and 2 will give you 2 new equations with only x and y in it. solve x and y. once you found x and y, z is there for the taking.