### Home > MC2 > Chapter 5 > Lesson 5.2.1 > Problem 5-46

5-46.

Group like terms together.

( 4*x* + 2*x* + 2*x* ) + ( −3 + 2 )

Now simplify.

8*x* − 1

Visualize eight negative *x* algebra tiles. What happens when you add 4 unit tiles but then take 3 of these unit tiles away?

−8*x* + 1

See part (a).

Refer to the Math Notes box of Lesson 5.1.3.