SOLUTION: Devaughn is 11 years younger than Sydney. The sum of their ages is 79. What is Sydney’s age

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Question 1108575: Devaughn is 11 years younger than Sydney. The sum of their ages is 79. What is Sydney’s age
Answer by Alan3354(69443) About Me  (Show Source):
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Devaughn is 11 years younger than Sydney. The sum of their ages is 79. What is Sydney’s age
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S - D = 11
S + D = 79
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