Algebraic Expressions Adding and Subtracting

(-8x + 1) - (8x - 1)

• 0

• -16x + 2

• 2

• -16x

(3d - 5) + (d + 3)

• 4d + 8

• 2d + 8

• 2d - 2

• 4d - 2

(7x + 12) - (4x + 3)

• 7x + 7

• 3x + 9

• 6x - 9

• -4x + 11

Combine like terms to simplify:
 (5x + 2) + (4x + 5)

• 9x -7

• -9x-11

• 9x+7

• x+7

Combine like terms.

6x + 3 - 2x + 5

• 8x + 8

• 4x + 9

• 8x + 8

• 4x + 8

Find the sum.
(3y² + y³ - 5) + (4y² -4y + 2y³ + 8)

• 3y³ + 7y² - 4y + 3

• 4y² + 3y³ - y + 3

• -y⁴ + 2y³ -y - 4

• 4y³ + 3y² -3y + 1

Add the polynomials.
(3x³ + 3x² – 4x + 5) + (x³ – 2x² + x – 4)

• 4x³ + 1x² – 3x + 1

• 2x³ + 1x² - 5x + 9

• 6x³ + 1x - 1x² - 3

• 3x⁵ +1x - 1x⁵ - 3x

(-4r + 8) - (-3r + 2)

• -r + 11

• -r + 3

• -r + 6

• 6r + 3

(3x + 4y - 3z) - (2x - 6y + 7z)

• x + 10y - 10z

• -x +10y - 10z

• x -10y - 10z

• -x -10y - 10z

Which of the following are examples of like terms?

• 2 and 2x

• y³ and x³

• y and x

• -3x and 3x