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Mathematics 7 Online
OpenStudy (anonymous):

The sum if two # is 50 and their difference is 40. What are the two #?

OpenStudy (mertsj):

How do you find a sum?

OpenStudy (anonymous):

I have no clue Thats what my math book says

OpenStudy (mertsj):

What is the sum of 3 and 2?

OpenStudy (anonymous):

?

OpenStudy (mertsj):

You find a sum by adding. You find a difference by subtracting.

OpenStudy (mertsj):

Do you have a dictionary?

OpenStudy (mertsj):

x+y=50 x-y=40

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