SOLUTION: The sum of two numbers is 621, and their difference is 109. Find the two numbers

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Question 187248This question is from textbook Algebra 1
: The sum of two numbers is 621, and their difference is 109. Find the two numbers This question is from textbook Algebra 1

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=621
x-y=109 now add.
---------
2x=730
x=730/2
x=365 ans.
365+y=621
y=621-365
y=256 ans.
Proof:
365-256=109
109=109