Answer:

Explanation:
 is given as the nth term of a sequence.
 is given as the nth term of a sequence.
We want to find 
 , which means we find the 7th term of the sequence.
 , which means we find the 7th term of the sequence.
Here, we simply substitute "7" into "n" of the formula given for 
 to find the value of the 7th term of the sequence.
 to find the value of the 7th term of the sequence.
We show this below:

So the 7th term is "-15"