Expressions and Equations

Which expression contains exactly 3 terms?

• 5 + 6xy
• 9 + 4t
• 8 + 2y - 5x
• 24xy

Combine like terms to simplify: a + 2a + 7

• 9a

• 3a + 7

• 2a + 7

• 9

Combine like terms to simplify: 5 + b + 2

• 7b

• 7b + 7

• 7 + b

• 8b

Combine like terms to simplify: 6m + m - 4m

• 10m

• 3m

• 2m

• 11m

Combine like terms to simplify: 8x - 8d

• 8

• xd

• 0

• They are unlike terms, so cannot be simplified.

(2x + 3) + (x + 5)

• 3x + 5
• 3x + 8
• 2x + 5
• 2x + 8

(x + 4) + (3x + 9)

• 4x + 13
• 3x + 13
• 4x +5

(2x - 6) + (4x - 4)

• 6x + 10
• 6x - 10
• 6x + 2

Find the sum:
2(x + 3) + 3(3x - 2)

• 11x
• 11x - 12
• 11x + 12
• 0

(5x - 6) - (x + 2)

• 4x - 8
• 4x - 4
• 4x + 4