An expression does not have an equals sign, An equation has an
equals sign,
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An equation has an equals sign. If it didn't then it would be a
different kind of relation or if it doesn't have a relationship
sign such as "is less than""<" it would be an expression.
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He signed the deceleration of independence
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venus rotates backwards in relation to the other planets
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Sharps and flats are always on the left of the note.