Answer
-7, $\frac{1}{7}$
Work Step by Step
The opposite of a number a is equal to -a (which is just the negative of a).
The reciprocal of a number a is equal to $\frac{1}{a}$.
We are given that $a=7$.
Opposite: $-a=-(7)=-7$
Reciprocal: $\frac{1}{a}=\frac{1}{7}$