Adding and Subtracting Like Terms Exponents

17x + 7 + 2x =

• 19x + 7 

• 19 + 7x

• 7x + 19

y + y =

• y²
  

• 2y

Distribute then combine like terms

2(9x - 2) + 2

• 18x - 11

• -52x - 50

• -20 + 50x

• 18x - 2

Distribute then combine like terms

4(1 + 6r) - 1

• 9 + 24r

• 3 + 24r

• 5 + 24r

• 10 + 24r

Like terms have the same variables and the same exponents.

• true

• false

3x + 7x

• 10x

• 4x

• -4x

• -10x

5a + b + 4a + b

• a + 2b

• a

• 9a - 2b

• 9a + 2b

Simplify the expression.

7x+(-9x)

• -63x

• -2x

• 16x

• -16x

Combine like terms to simplify: 6m + m - 4m

• 10m

• 3m

• 2m

• 11m

Are 7a and 4a like terms?

• Yes

• No