Question

answer the following question with explanation please give me a correct answer please don't give a fake answers if you give me a correct answer so I mark as brinialist.​

Answer 1

Answer:

$a1 = a(n - 1)d$

$ap = - 3 + (21 - 1) - 7$

$ap = - 3 - 140$

$ap = - 143$

may be it helps you.....friend..... ❤❤

Answer 2

Answer:

$Here is ur ans \sf \pink{Answer}$

$(-143) \sf$

$\pink{I hope it will help u}$