The expression is .
Distribute terms using distributive property:.
Apply multiplicative identity property: .
(Divide:
)
\
Distribute terms using distributive property:.
Apply multiplicative identity property: .
(Divide:
)
Apply commutative property of addition: .
Combine like terms using distributive property: .
(Add: 5 + 12 = 17)
Combine like terms using distributive property: .
(Subtract:
)
The simplified expression is .