the Sum of 2 numbers is 34. The diffrence betwen the two numbers is 4. find the two numbers.

Question

 Please help

Answer 1

let's calls the 2 numbers x and y

 

then x + y = 34

and  x - y = 4

 

adding the 2 equations above yields:

 

2x = 38

so x = 19

 

since x + y = 34

19 + y = 34

so y = 15

 

so the 2 numbers are 19 and 15