SOLUTION: I am thinking of two whole numbers.When I add them,their sum is 123.When I subtract the lesser number from the greater number,their difference is 45.What are my numbers?Thank-you

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Question 358661: I am thinking of two whole numbers.When I add them,their sum is 123.When I subtract the lesser number from the greater number,their difference is 45.What are my numbers?Thank-you
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=123 or x=123-y
x-y=45
123-y-y=45
-2y=45-123
-2y=-78
y=-78/-2
y=39 ans. for the smaller number.
x=123-39
x=84 ans. for the larger number.
Proof:
84-39=45
45=45