Read the question (s) carefully. Answer in complete sentences. Be sure that you include a citation for any sources you used. This is a story problem. You may use the method of your choice to solve the problem. (substitution, combination, elimination )
The sum of 2 numbers ( x and y ) is +12
The difference of the same 2 numbers is -4
1. Which method will you use and why?
2. How will you set up the equations needed to solve?
3. What is the solution expressed ads an ordered pair? (x, y)