Combine Like Terms Evaluate Expression

Combine the like terms in the expression: 12x + 2 + 3x

• 9x + 2

• 15x + 2

• There are no like terms

• 13x

12a – 5a

What are like terms?

• Terms with different variables

• Terms with the same variables to the same power

• Terms with no variables

• Terms with the same variable raised to a different power

Simplify: n + n + n

• 2n

• 4n

• 3n

• 0n

7y+2y

-8d+8d

12a-5a

-5c-6c

8x-10x+x

• 2x

• -x

• -2x

• x

-5n+1-8n-6