Combine Like Terms Without Negatives

Simplify the expression: 2x + 1 + 7x 

• 10x

• 10

• 9x + 1

• 9 + 1x

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

• 23

• 23v

• 9 + 14v

• 9v + 14

Simplify the expression: 
3t + 7y + t + 3y

• 3t + 10y

• 4t + 10y

• 4t + 4y

5x + 3y + 5 + 4x + 3y + y + 8

• 9x + 7y + 13

• 6x + 2y + 2

• 25x + 2y + 3

• x + 7y + 12

Nicholas's teacher gave him the final expression "7x+5" and asked him to match this with two correct original expressions given in the list below. Which two original expressions simplify to 7x+5?

• 2x + 1+ 5x + 4

• 10x + 2 - 3x + 3

• x +2 + 4x + 5

• 2x+ 3+ 3x + 4

8y + 5 - 2y

• 6y + 5

• 11y

• 10y + 5

• 15y

Simplify the expression: 3x + 2x

• 5x

• x

• 6x

• 5

Simplify the Expression:

3a + 7 - 2a

• 8a

• 12a

• a + 7

• 5a + 7

Simplify this expression (combine like terms):
 x + x + x + x

• 4 - x

• 4x

• x

• x+4

Combine the like terms in the expression:

5b + 9 + 3b

• There are no like terms

• 8b + 9

• 2b + 9

• 17b