Combining Like Terms and Distributing Review

Simplify by combining like terms:

5a + 2b - 3a + 4

• 8a + 2b + 4

• 2a + 2b + 4

• 8ab

• 10ab + 4

Combine like terms: n -10 + 9n - 3=

• 9n - 7

• 10n - 7

• 9n - 13

• 10n -13

Which of the terms could be combined in the following expression:

3x + 7 - 9x + 24y + 2x²

• 7, 24y

• 3x, 9x

• 3x, -9x

• 3x, -9x, 2x²

3(2c - 5)

• 6c - 15

• 6c + 15

• -6c + 15

• -6c - 15

-4(3k - 7)

• -12k + 7

• -12k - 7

• -12k + 28

• -12k - 28

-4(-p - 6)

• 4p - 24

• 4p + 24

• -4p + 24

• -4p - 24

Which of the following is equivalent to -8 - 9(2x + 5)?

• -18x - 85

• -18x - 53

• 18x - 53

• 18x + 37

Which of the following is equivalent to 8(5f - 7) + 3f ?

• 43f - 7

• 37f - 56

• 43f - 56

• 40f - 56 + 3f

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