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adding 7 songs to the mp3 = N+7
deleting two songs from the mp3 = N-2
4 times the amount of songs on the mp3 = 4N
half the songs on the mp3 = N/2

Answer:

\(n+7=\) This means that we add 7 more songs to the total stored songs.

\(n-2=\) This means that the total number of stored songs we subtract 2 songs.

\(4n =\)This means that the total number of stored songs is multiplied by 4.

\(\frac{n}{2}=\) This means that the total number of stored songs is divided by two, now we have half of the total songs.

Step-by-step explanation:

If n represents the number of stored songs, let's see how this number could vary in each case.

\(n+7=\) = this means that we add 7 more songs to the total stored songs.

\(n-2=\) This means that the total number of stored songs we subtract 2 songs.

\(4n =\)This means that the total number of stored songs is multiplied by 4.

\(\frac{n}{2}=\) This means that the total number of stored songs is divided by two, now we have half of the total songs.

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