1 is your answer to your question
4.75x+3=21 subtract 3 from both sides
4.75x=18 divide both sides by 4.75
x=3.789
x=4
The excerpts have a rhyming scheme which is ABCB in which the second and fourth line rhymes. In the first stanza, the words me and Immortality rhymes. In fourth stanza, the words chill and Tulle are not perfect rhymes but can still be considered as rhyming.
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He tries to change it but ultimately leads himself to his prophecy
The most common theory and all other theories about nessie are likely not true