Add Expressions Combine Like Terms

Combine the like terms:

5a + 2a + 2a

• 9a

• 8a

• 7a

Add the expressions:

(3x+15) + (4x+13)

• 7x+ 28

• 35x

• x+2

• 7x - 2

Add the expressions:

(7k + 9) + (4k - 3)

• 3k + 6

• 11k + 6

• -11k + 6

• - 3k + 6

Add the like terms:

2f + f

• 3f

• 2f

• f

Simplify the expression by COMBINING LIKE TERMS.

Mathematical Equivalence

ON

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

Mrs. Salpietro has 8x+7 feet of rope for a project she is making. But she needs another 15 feet still. How much rope will she have total for her project?

• 8x+22 feet

• 23x + 7 feet

• 30x feet

• 30 feet

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

Combine the like terms:

2x + 1 + 7x

• 10x

• 10

• 9x + 1

• 9 + 1x

Combine the like terms:

7v + 2 + 12 + 2v

• 23

• 23v

• 9 + 14v

• 9v + 14