SOLUTION: find the value of two numbers if their sum is 16 and their difference is 4

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Question 821970: find the value of two numbers if their sum is 16 and their difference is 4
Answer by Alan3354(69443) About Me  (Show Source):
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find the value of two numbers if their sum is 16 and their difference is 4
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x+y = 16
x-y = 4
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