Simplify Expressions by Combining Like Terms

Like terms have the same _____ and the same _____.

• variables and numbers

• signs and numbers

• variables and exponents

• variables and signs

Combine like terms
3x + 2x + 3y - 7y

• 5x + 10y

• 5x + 4y

• 5x - 4y

• 5x -10y

Simplify the following expression:
(5 + 4x) + (2x - 8)

• 13 + 6x

• 6x - 3

• 6x - 13

• 6x + 3

Terms that have the same variables such as 5x and -8x.

• like terms

• coefficients

• exponents

• variables

Simplify the following expression:
-6x + 4(-x - 3)

• -2x - 12

• 10x + 12

• -10x - 12

• -2x + 12

– 9r³ + 2r – 5r³ + 3 – 20r

• -4r³ - 18r + 3

•  -14r³ - 18r + 3

•  -14r³ + 18r + 3

Simplify:
4(8x + 1) - 6(1 - 8x)

• -80x - 2

• 80x + 2

• -80x + 2

• 80x - 2

9 –3j –2 + j +5j

• 10J-7

• 7 -3J

• 7 +3J

• 9J +7

9 –3j –2 + j -5j

• 10J-7

• 7 -7J

• 7 +3J

• 9J +7