Combining Like Terms with Rational Coefficients

What are the coefficient(s) of

2x + 9 + 7x?

• 2, 9, 7

• 2, 7

• 2x, 7x

• 9

Which expression is equivalent to
v + v + v + v + v?

• 5v
• v⁵
• v + 5
• v5

Which expression is equivalent to:
d + d + d + 3 + 2

• 3d + 5
• d + 5
• 2d + 7
• 3d + 4

Simplify by combining like terms:
4x² - 3x + 11 -2x

• 4x² - 5x + 11
• 11x + 11
• 16x² - 5x + 11
• 10x²

Rewrite the expression by combining like terms.

4x² – 2x² + 2y + 6y² – y + x²

• 3x² + 3xy + 6y

• 6y² + 2xy + 2x

• 7x² + 35x

• 3x² + 6y² + y

Simplify by combining like terms:

3x-5x

• 2x

• 8x

• -2x

• 15x²

Simplify by combining like terms:

-6k + 7k

• k

• -k

• 12k

• -12k

Simplify by combining like terms:

-r -10r

• 11r

• -11r

• 9r

• -11

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

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

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

• 5x + 10y
• 5x + 4y
• 5x - 4y
• 5x -10y