Язык хз знает пишу на pascal и java

program whoisthat;

var

a : integer;

s, b: real;

begin

a:= 5;

b:= -3.5;

s:= a + b; (s = 1.5)

s:= 2 * s - b; (2 * 1.5 - (-3.5) = 6.5)

writeln(s);

end.

public class sum {

 public static void main (String args[]){

 int a = 5;

 double b = -3.5;

 double s = a + b;

 s = 2 * s - b;

 System.out.println(s);

 }

}