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25-10-2018
Mathematics

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2 numbers total 47 and have a difference of 21 what are the two numbers

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wegnerkolmp2741o wegnerkolmp2741o

25-10-2018

x+y = 47

x-y = 21

------------ add together

2x =68 divide by 2

x=34

x+y = 47

34+ y = 47

subtract 34 from each side

y = 13

the two numbers are 34 and 13

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