Question

an= 4, n=7 ,d = -4 , a=?​

Answer 1

Step-by-step explanation:

an=4,n=7,d=-4,a=-7 because d=-4

Answer 2

Answer:

an=4

n=7

d=-4

according to question

a+(n-1)d=an

=)a+(7-1)-4=4

=)a+6(-4)=4

=)a-24=4

=)a=4+24

a=28