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The sum of two numbers is 54 and their difference is 20. What are the two numbers?

 Mar 22, 2021
 #1
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x  +  y  =  54

x  -  y   = 20              add these equations

 

2x  =  74

 

x = 74/2  =  37

 

37 + y  =  54

 

y  = 54 -  37   =   17

 

 

cool cool cool

 Mar 22, 2021

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