Combine Like Terms with Addition and Subtraction

7x and -14x are an example of what?

When you are COMBINING LIKE TERMS, what are you doing with the like terms?

• adding

• subtracting

• multiplying

• dividing

To _____, you need to combine like terms or distribute.

• term

• variable

• simplify

• operation

Which of the following are like terms?

Simplify:
5x - 6x - 8x + 7 

• -9x + 7

• -9x -  7

• 9x + 7 

• 9x - 7

Find the sum:
(7k + 9) + (4k - 3)

• 3k + 6 

• 11k + 6

• -11k + 6

• - 3k + 6

2(2x + 3) + 3(4x + 5)

• 6x + 8

• 16x + 21

• 56x + 8

• 16x + 8

Find the difference (2x + 5) − (x + 4).

• x + 1

• 3x + 9

• −x + 1

• x + 9

• A
• B
• C
• D

• A
• B
• C
• D