SOLUTION: I add 7 to a certain number, I double the result, my final answer is 34. What was the number?

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Question 1187754: I add 7 to a certain number, I double the result, my final answer is 34. What was the number?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
I add 7 to a certain number, I double the result, my final answer is 34. What was the number?
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How much is it before you double it?
How much before you add 7?