not too sure but I think your answer would be -5
Correct. Use the commutative property<span> to rearrange the expression so that compatible numbers are next to each other, and then </span>use the associative property<span> to group them. Incorrect. Check your addition and subtraction, and think about the order in which you are adding these numbers.</span>
Answer:
It is proved that
.
Step-by-step explanation:
Given functions are,


To show,

Consider,

now if,
then 
then 
Hence the reslt.
1) (15+6-5x+4)
= 25-5x
= 5(5-x)
2) (24-10+8x+9)
= 23+8x