Combining Like Terms and Distributive Property

A variable can be _______?

• Any number

• Any letter of the alphabet

• only X

• only 1

What are coefficients?

• The letters in an expression
• The numbers without a letter
• The same as constants
• The number before a letter 

x terms and y terms can be added or subtracted together.

• True

• False

Which of the following shows JUST a variable?

• g + 7

• g + 7 = 10

• g

• 7g

Which of these contains a constant?

• 56t

• 4r - s

• 12e + 7

2a+3a

• 5a

• 6a

• 7a

• 8a

12(4b)

• 16b

• 8b

• 48b

• 10b

y + x + y + y + x 

• 2 + 3 
• x + y 
• 2x + 3y 
• 5xy 

Simplify by combining like terms.
m + 9 - 4m

• 5m
• m + 5m
• -3m + 9
• 4m

Simplify: 5 + 11y + 2

• 5 + 11y

• 18y

• 11y + 7

• 11y + 3