Combining Like Terms

Which of these can be found in an expression?

• Numbers

• Operations

• Equal Sign

• Variables

• 2

• 3

• 4

• 5

• 2x

• -3

• 6y

• -1

• -2

• -5

• 1

• -6

• 2

• 1

• -6

• 4.2

Which of the following are examples of like-terms?

7y+2y