Respuesta :
					                   well sum means plus soo 
3+ any number. for example 3+n what ever the other number is you replace the n with that number.. like if n=4 it would be 3+4
					                
					                
					             3+ any number. for example 3+n what ever the other number is you replace the n with that number.. like if n=4 it would be 3+4
 
			                   
					                  