Question

In an A. P, if d =-4, n= 7 and an = 4 then a is equal to____​

Answer 1

Step-by-step explanation:

a+(n-1)d=an

substitute the values then we get

a+(7-1)-4=4

=a+6×-4=4

a+-24=4

a=24+4=8

Answer 2

this is your answer

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