The number is .
Find additive inverse:
\The additive inverse property: .
\
\
(Subtract
from each side)
\
(Subtract:
)
.
\
The additive inverse of a number is .
Find multiplicative inverse:
\\
The product of a number and multiplicative inverse is one.
\The multiplicative inverse property: .
.
(Multip each side by
)
(Cancel common terms)
The product of a number and multiplicative inverse is .
The additive inverse of a number is .
The product of a number and multiplicative inverse is .