5)

#include <iostream>

using namespace std;

int main(){

int a,b;

a=5;

b=-3,5;

s=a+b;

s=s*2-b;

cout << s;

}

6)

#include <iostream>

using namespace std;

int main(){

int x,y,z;

x=5;

y=-6;

if(x>y)z=x+y;

else{z=y-x;}

cout << z;

}