Algebra Add and Subtract

Three times a number increased by nine

• 3h-9

• 3(h-9)

• 3(h+9)

• 3h+9

Amount you have spent if you buy a shirt for $20 and jeans for x dollars

• 20-x

• 20+x

• x-20

• 20x

Identify the property shown.

• Commutative Property of Addition

• Associative Property of Addition

• Distributive Property

• Addition Property of 0

Identify the property shown.

• Commutative Property of Addition

• Associative Property of Addition

• Distributive Property

• Addition Property of 1

Identify the property shown.

• Associative Property of Addition

• Commutative Property of Addition

• Distributive Property

• Addition Property of 0

d + d + d + d =

• d⁴

• 4d

• d4

• 4 + d

2x + 2x =

• x + 4

• 2 + x

• 2 + 2

• 4x

4y - 2y =

• 2y

• 6y

• y + 2

• y - 2

7g + 5 + 6g  - 3

• 13g - 3

• 12g + 5

• 13g + 2

• 13g - 2

Five times Mike's age increased by 9

• 5(x+9)

• 9(5+x)

• 9x+5

• 5x+9