Question

if
a=?
d=(-3)
n=?
an=(-5)
find the a and n by using the formula
an=a+(n-1)d

please answer this question
I did not understand​

Answer 1

Step-by-step explanation:

-5=a+(n-1)x-3

-5=a-3n+1=0

-5-a+3n-1=0

a-3n+6=0

Answer 2

Answer:

d=-3

an=-5

an=a+(n-1)d

-5=a+(n-1)(-3)

-5=a-3n+3

-5-3=a-3n

-8=a-3n