Combine Like Terms with Distributive Property

A letter that represents a number is called a _____.

• variable
• coefficient
• constant
• term

3(3x +1)

• 9x +3
• 3x + 3
• 12x
• 9x + 1

Which of these are like terms in the following expression:
3x + 7 - 9x + 24y + 2x²

• 7, 24y
• 3x, 9x
• 3x, -9x
• 3x, -9x, 2x²

Simplify the expression: 2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

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

• -2x - 12
• 10x + 12
• -10x - 12
• -2x + 12

-8(2x - 3)

• -16x+24
• -16x - 24
• 16x + 24
• 16x +18

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

3x²+4x²+7 is

• 7x⁴+7
• 7x² + 7
• 7x⁵
• 7

12(4x + 5) + 10x

• 58x + 20
• 58x + 60
• 38x + 20
• 10x + 20

Which expression is equivalent to

5y + 2y + 6x + 2y - x

• 5x + 6y

• 5x + 7y

• 5x + 9y

• 7x + 7y