Question

In an AP, if the common differenced= -4 and the seventh term a7 is 4, then find the first term.

Answer 1

Answer:

d = -4

a7 = 4

a + 6d = 4

a + 6×-4=4

a - 24 = 4

a = 4+24

a = 28

first term 28

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Answer 2

here is your answer

the first term is 28

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