SOLUTION: when a number is doubled by 9, the result is decreased by 9, the answer is 19. Find the number

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Question 1099744: when a number is doubled by 9, the result is decreased by 9, the answer is 19. Find the number
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
What is "doubled by 9" ?