Combining Like Terms

Simplify the expression: 3x + 2x

• 5x
• x
• 6x
• 5

6y+3y+9y+7y

• 25
• 10
• 19
• 25y

a + a + a + a

• a + 4 
• 4a 
• a to the fourth power 
• 4a + 4 

6x + 1 + 7x 

• 13x - 1
• 14x 
• 7x + 6x + 1 
• 13x + 1 

-6k + 7k=

• k
• -k
• 12k
• -12k

Simplify the expression: 2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

Simplify by combining like terms:

3x-5x

• 2x

• 8x

• -2x

• 15x²

Combine like terms
4a + a + 3b

• 4aa3b
• 5a + 3b
• 3b + 5a
• 4a + a + 3b

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