August 2011
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Welcome and thank you for experimenting with Wikipedia. Your test on the page Linear equation worked, and it has been reverted or removed. If you would like to experiment further, please use the sandbox instead. Please take a look at the welcome page to learn more about contributing to this encyclopedia. Thank you. Denisarona (talk) 06:19, 26 August 2011 (UTC)
September 2011
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Welcome to Wikipedia. Although everyone is welcome to contribute to Wikipedia, at least one of your recent edits, such as the edit you made to Organizing has been reverted, as it appears to be unconstructive. Use the sandbox for testing; if you believe the edit was constructive, ensure that you provide an informative edit summary. You may also wish to read the introduction to editing. Thank you. Wikipelli Talk 18:24, 26 September 2011 (UTC)
December 2011
editHello and welcome! I noticed you made a change to an article, but didn’t provide a source for your edit. I’ve removed it for now, but if you can include a citation to a reliable source and re-add it, please do so! Thank you, Tgeairn (talk) 08:54, 9 December 2011 (UTC)
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