Identify an Equivalent Expression by Combining Like Terms

Simplify the expression:

4x + 3x

• 12x

• 12x²

• 7x

• 7x²

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

• 5x + 10y

• 5x + 4y

• 5x - 4y

• 5x -10y

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

• -2x - 12

• 10x + 12

• -10x - 12

• -2x + 12

Simplify the following expression:
19 - ( 3 - 5b)

• 16 + 5b

• 21 + 5b

• 16 - 5b

• 21 - 5b

Expand and simplify 3(x + 2) + 4(2x +1).

• 11x + 10

• 11x + 7

• 7x + 10

• 11x + 3

Simplify the following expression:
(5 + 7p²)  - (2p⁴ - 3)

• 2 + 7p² + 2p⁴

• 2p⁴ + 7p² + 13

• -2p⁴ - 7p² + 2

• -2p⁴ + 7p² + 8

• 13x⁴ - 3x + 1x²

• -3x⁴ + 15x² - 3x

• -3x⁴ - 1x² + 3x

• 13x⁴ + 15x² - 3x

• 7, 24y

• 3x, 9x

• 3x, -9x

• 3x, -9x, 2x²