### Home > MC1 > Chapter 4 > Lesson 4.3.4 > Problem 4-124

4-124.

. Simplify the following expressions. Homework Help ✎

− 5 + ( −3)

6 + ( −3)

−11 − 2

4 + ( −10)

3 − ( −9)

( −2)( −5)

(5)( −16)

−20 ÷ 5

−12 ÷ ( −1)

For parts (a), (b), and (c), try drawing a diagram with + and − symbols if you are having difficulty.

Parts (d) and (e) are similar to (a) - (c).

Remember that the product of two negative integers is positive.

10

If you had 5 groups of 16 negatives, how many negatives would you have?

What would you need to multiply by 5 to get −20?

−4

If you had 12 negatives and you divided them into groups with one negative in each, how many groups would you have?