Equivalent Expressions

Which expression is equivalent to 7(3a + 4b)?

• 21a + 28b

• 10a + 11b

• 21a + 4b

• 10a + 28b

Which expression is equivalent to 15x + 10 - 6x - 1?

• 9x + 9

• 18x

• 15x - 3

• 9x + 11

Which expression is equivalent to 12(5 - 4x)?

• 12x

• 17 - 16x

• 60 - 48x

• 60 - 4x

Which expression is equivalent to 3x + 5 + 7x + 2?

• 10x + 7

• 17x

• 17

• 15x + 2

Which expression is equivalent to 3a² + 6a + 5a²?

• 14a²

• 14a

• 8a² + 6a

• 3a² + 11a

Which expression is equivalent to 6y + 22y + y?

• 28y + 1

• 29y

• 22y + 7

• 29

Which expression is equivalent to 6(3y - 2y + 7)?

• 18y + 7

• 21y - 14y + 7

• 18y + 42

• 6y + 42