M2 4.8b Alg Exp

Mystery A

100

15a+20

5(3a+4)

200

63-36d

9(7-4d)

300

-k+4.5-3.6k+5k

0.4k+4.5

400

a+(b+c)=a+(c+b)

Commutative Property of Addition

500

4n-3/7 (7+14n)

-2n-3

Mystery B

100

21+7g

7(3+g)

200

Name the property shown.

Parsa + William = William + Parsa

Commutative Property of Addition

300

-2.3-4j+1.7-5.2j

-9.2j-0.6

400

3(2ecdotf)=(3cdot2e)f

Associative Property of Multiplication

500

4/5 (15p-35)-3

12p-31

Mystery C

100

30-42b

6(5-7b)

200

30+21e

3(10+7e)

300

8.3-6.7m+0.4-5.9

2.8-6.7m

500

-5q-5/6(18q-42)

-20q+35

Mystery D

100

24f-20

4(6f-5)

200

x(yz)=(xy)z

Associative Property of Multiplication

300

3.4i-7+1.6i-2.5

5i-9.5

500

-3/8 (24+40r)+12r

-9-3r

Mystery E

100

48c+40

8(6c+5)

200

12h-30

6(2h-5)

300

(3x-y)2=6x-2y

Distributive Property