New answers tagged canadian-english
"As good as" an adjective that is used for equality. "As well as" an adverb that is used for equality.
Your edits are correct. Good is an adjective and describes nouns, in this case the subject of the sentence (this). Well is an adverb and modifies verbs, in this case works.
"This is as good as..." is right. "This works as well as..." can have 1000 substitutes and it's not right.
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