Question 111684

  Solve. 
-8(10x-4)+10(8x-4)=x-9

   -8(10x-4)+10(8x-4) = x-9

  => -80x+32+80x-40 = x-9

  => -40+32 = x-9

  => -8+9 = x
 
  =>  x = 1