Step-by-step explanation: The sequence is in form of Arithmetic sequence , if you check properly, the difference between the 2nd number and the 1st number is the same as the difference between the 3 rd and the 2nd ...
This difference is called common difference and it's denote with d.
From the sequence given d = - 7
the 52nd term = a + 51d , where " a" is the first term
