The n formula formula for the number sequence is 8,13,18,23, using the method and formula
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a = 8
b = U2 - U1
b = 13 - 8
b = 5
Tribal formula to n
Un = a + (n - 1) b
Un = 8 + (n - 1) 5
Un = 8 + 5n - 5
Un = 5n + 8 - 5
Un = 5n + 3
Hope it helps ✌
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✔ Mapel = Mathematics
✔ Class. = 9 middle school
✔ Material = Rows and rows
✔ Keywords = Arithmetic Line
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