Simplifying and Combining Like Terms

Combine Like Terms

• 12k

• 57kk

• 2k

Simplify.

7v + 2 + 12 + 2v

• 23

• 23v

• 9 + 14v

• 9v + 14

Simplify.

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

• 9x + 7y + 13

• 6x + 2y + 2

• 25x + 2y + 3

• x + 7y + 12

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4

• 2a + 2b + 4

• 8ab

• 4ab + 4

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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

Match the following to its equivalent expression.

• 12x + 1

• x - (-x) + 1 + 4x

• 5x - 4

• 9x - (-3x) + 5 - 6

• 12x - 1

• -5 - 8x + 9 -(-3x)

• 6x + 1

• -7x + 8 + 12x - 12

• -5x + 4

• -7 + 13x - x + 8

Which expression is equivalent to 6(1 + 7t) - 5(3 + 4t) ?

• 22t + 21

• 22t - 21

• 62t -9

• 22t - 9

(a)  

• F

• G

• H

• J

Simplify:

11x + 12y + 1y + 10x - 2

• 13y + 21x - 2

• -13y + 21x - 2

• -1y - 2x

• 13x + 21y - 2