To find the value that should replace n, we can rearrange the formula to solve for n.
a7 = -12 + (n - 1)(-4)
a7 + 12 = (n - 1)(-4)
(a7 + 12)/-4 = n - 1
[(a7 + 12)/-4] + 1 = n
Therefore, the value that should replace n would be [(a7 + 12)/-4] + 1.
Given the explicit formula: a7= −12 + (n − 1)(−4)
What value should replace n?
1 answer