In solving this problem x will represent Damian’s music library. Moesha’s music library will represented by 2x + 17.
If Damian has 5 songs in his library you will substitute 5 for x in the formula:
2 x 5 + 17=
10 + 17=
27
If Damian has 5 songs Moesha will have 27.
The answer for number 10 is Napolean III