Equivalent Expressions and Vocabulary

Which expression is equivalent to:
6m − m

• 5m

• 7m

• 8m

• 5

Which expression is equivalent to:
(e + e) + e

• 3e

• e + 3

• 5e

• 2e − e

Which of the following is equivalent to 9(5c + 4)?

• 45c + 36

• 81c

• 45c + 4

• 49c

Which of the following is equivalent to 2(c - 8)?

• 2c - 16

• 2c + 16

• 2c - 8

• c - 16

6 (x + y + 7)

• 6x + 6y + 42

• 12xy + 42

• 6x + 6y + 7

• 6x6y + 42

Which of the following is equivalent to 4(2x + 3)

• 8x + 12

• 8x + 3

• 8x - 12

• 20x

• 6x+6
• 5x+18
• 6x+12
• 6x+18

Which expression is equivalent to 36 + 42 ? 
Using the Greatest Common Factor (GCF)?

• 2(18 + 21)

• 3(12 + 14)

• 6(6 + 42)

• 6(6 + 7) 

Three times a number increased by nine

• 3h-9

• 3(h-9)

• 3(h+9)

• 3h+9

Simplify: 7(2a + b)

• 14a + 7b

• 72a + b

• 14a + 7

• 14ab