{ LINEARNA_ROVNICA.PAS                           Copyright (c) Pheo }
{ Program vyriesi lubovolnu linearnu rovnicu.                       }
{                                                                   }
{ Datum:24.04.2003                             http://www.trsek.com }
 
program linearna_rovnica;
var a,b,x:integer;
begin
  write('zadaj koeficient a:');
  readln(a);
  write('zadaj koeficient b:');
  readln(b);
  if (a=0)and(b=0) then writeln('riesenim su vsetky R cisla')
      else if (a=0)and(b<>0) then writeln('rovnica nema riesenie')
              else writeln('X=',-b/a:4:2);
  ReadLn;
end.