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Mathematics, 04.02.2021 05:50 girly37

Tyler says he invented a number puzzle. He asks Clare to pick a number, and then asks her to do the following: Triple the number
Subtract 7
Double the result
Subtract 22
Divide by 6
Clare says she now has a -3. Tyler says her original number must have been a 3. How did Tyler know that?
PLEASE HELP

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