The sum of two numbers is 120. Three times their difference is 48. What are the numbers?

Answer 1

The answer is 68 and 52, Here is how it is done.

x + y = 120

3(x - y ) = 48

We have 3x + 3y = 360

and 3x - 3y = 48

Adding we have the following:

6x = 408

x = 68

y = 120-48 = 52

Ans { 68,52}