Question

if 8th term of an ap is 25 then what is the first team​

Answer 1

1. A8=25
2. A+7d=25

3.there fore A=25-7d

Answer 2

a + 7d = 25

a = 25 - 7d

Where

a is the first term

d is the common difference

Hope this helps and If it did then do tell me