Correct mechanism?

[P0W3RL1FT3R]

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Double checking to see if I have the right idea for the following mechanisms. Any guidance for this OChem nooby is appreciated

 

[P0W3RL1FT3R]

Yay or nay?

 

[KoonS]

YAY

 

[Likkriue]

Where the did extra methyl group come from?

Oh I see what you did, the second time you wrote the reactant you didn't include the methyl group you had the first time you wrote the reactant.

In that case yay!