SOLUTION: The sum of two numbers is 15. If one number is subtracted from the other, their difference is 3. Find the numbers.

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Question 1101076: The sum of two numbers is 15. If one number is subtracted from the other, their difference is 3. Find the numbers.
Answer by ikleyn(52800) About Me  (Show Source):
You can put this solution on YOUR website!
.
x + y = 15.
x - y =  3.
-----------------Add the two equations (both sides).  You will get


2x = 15 + 3 = 18  ====>  x = 18%2F2 = 9.


Then y = 15-x = 15 - 9 = 6.


Answer.  The numbers are 9 and 6.