Please solve it guys
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Answered by
0
Answer
n=9
Step-by-step explanation:
Answered by
2
Answer:
an = a + ( n-1 ) d
39 = 7 + ( n-1) 4
39 -7 = 4n - 4
32 +4 = 4n
36 = 4n
n = 9
please mark as brainliest....please
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