The sum of two numbers is 82 and their difference is 29. Find each numbers.
System of Equations: let these two numbers be x and y x+y = 82 x-y = 29 If you add the two equations you can eliminate y. 2x = 111 x= 55.5 Plug x back into one of the two equations. So the two numbers are 55.5 and 26.5.