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08-07-2021
Mathematics

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John's age 4 years ago, if he will be y years old in 5 years

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sqdancefan sqdancefan

08-07-2021

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Answer:

y -9

Step-by-step explanation:

From 4 years ago until 5 years from now, John will age 9 years. That is, his age 4 years ago is 9 years less than it will be in 5 years.

John's age 4 years ago is y-9 years.

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