basch script ignore the negative prefix on negative numbers :     
     a=4;
     b=7;
     c=5;
 
     x =[ a-b ] 
     if (x -gt c) then {
      echo "x  is  greater"

      } else {
      echo " something"
      }
   

      
>I want  compare   x  and  c  ignoring the  negative  prefix  of  c 