Simplify an Expression

Simplify the expression: 3x + 2x

• 5x

• x

• 6x

• 5

Simplify the expression: 2x + 1 + 7x 

• 10x

• 10

• 9x + 1

• 9 + 1x

Which of these is the correct use of the distributive property for the following expression?
5(2x - 8)

• 10x - 8

• 10x + 40

• 7x - 3

• 10x - 40

Simplify the expression:

12(3 + m)− 5m

• 36 + m

• 15 + 6m

• 36 + 12m - m

• 36 + 7m

Simplify the expression: 7v + 2 + 12 + 2v

• 23

• 23v

• 9 + 14v

• 9v + 14

Simplify    
5(2 - 7n)

• 52 - 7n

• 10 - 7n

• 10 - 35n

• 10 + 35n

Combine Like Terms. 
8c  +  3   + 2c 

• 3 + 10c 

• 13c

• 11c + 2

• 5c + 8

Combine Like Terms. 
10u - 5u + 4

• 9u

• 5u + 4

• 50u + 4

• 19u

x+x+x+x+x

• x + 5 

• 5x

• x+x+x+x+x+5

• x to the 5th power 

Use properties to simplify the expression
12 + (3b + 6) 

• 21b

• 18 + 3b

• 9b + 12