###### Example 2.10.9

Use the associative, commutative, and distributive properties to simplify the following expressions as much as possible.

\((2x+3)+(4x+5)\)

\((-5x+3)+(4x-7)\)

Use the associative, commutative, and distributive properties to simplify the following expressions as much as possible.

\((2x+3)+(4x+5)\)

\((-5x+3)+(4x-7)\)