1. 

   gavrik New Member

   7-2(х+3)=9-6х

    

   gavrik, 4 мар 2010

   #1
2. 

   ...AleX... New Member

   7-2(х+3)=9-6х 7-2*(x+3)=-(2x-1)
   9-6x=-3*(2x-3)
   -(2x-1)=-3*(2x-3)
   1-2x=9-6x
   4x=8
   4x=4*2
   x=2

    

   ...AleX..., 4 мар 2010

   #2