### Home > MC2 > Chapter 2 > Lesson 2.1.3 > Problem 2-40

2-40.

Simplify the following expressions. Show your work.

Represent these values with + - tiles to find out what is left.

Notice that the - tiles cancel out and you are left with tiles.

See (a).

Look at the number line. Put your finger at

and move it to the left , then move it to the left . Where do you land?

See (a).

15 – 20

–9 + 14

See (a) or (e).

11 + (–7)

See (a) or (e).

5 – 9

See (a) or (e).