SOLUTION: The sum of two numbers is 47, and their difference is 15. What is the largest number?
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Question 719850: The sum of two numbers is 47, and their difference is 15. What is the largest number?
Answer by truly_smart_one(1) (Show Source): You can put this solution on YOUR website!
x+y=47 x-y=15 ==>> so, add those two together, to make 2x=62 then divide 62 by 2 which is x=31. Then the equation is 31+y=47 47-31=16 so y is 16 and x is 31. 31 is the largest answer
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