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The sum of two numbers is 5 and their difference is 9. What are the two numbers?

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Solution

Thesumoftwonumbersis5andtheirdifferenceis9.Whatarethetwonumbers?

Solution

Thenumbers:7,−2
Solution steps
Represent the numbers with xandy:
number1:x
number2:y
A.T.Q.:
x+y=5
x−y=9
x+y=5,x−y=9:x=7,y=−2
Thenumbers:7,−2

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