Is the properties of operation to subtract( P - 3) - (2.4 + 2p).

Yes, there is a property of subtraction called the distributive property that can be used in this scenario. According to the distributive property, you can distribute the negative sign before subtracting:

(P - 3) - (2.4 + 2p) = P - 3 - 2.4 - 2p

Now, you can combine like terms:

P - 2p - 3 - 2.4 = -p - 5.4