The 100th term of the sequence is 100 and common difference d = 7.
\Apply nth term of an arithmetic sequence formula:
.
(Substitute
and
)
(Substitute
)
(Subtract:
)
(Multiply:
)
Apply subtraction property of equality: a = b then
.
(Subtract 693 from each side)
(Subtract:
)
Find the nth term of the sequence, substitute
and d = 7.

Distribute terms using distributive property:
.

(Subtract:
)
The nth term of the arithmetic sequence equation is
.