Apply the commutative property to generate an expression equivalent to 8+ 9f -2+ 6f - 8f -4+ 12

To apply the commutative property, we can simply rearrange the terms in any order we want.

Rewriting the expression using the commutative property:

8 + 9f - 2 + 6f - 8f - 4 + 12

= (8 - 2 - 4 + 12) + (9f + 6f - 8f)

= 24 + (9f + 6f - 8f)

= 24 + (17f - 8f)

= 24 + 9f