Combining Like Terms and Subtracting Linear Expressions

(-6x - 11) - (-2x - 4)

• -4x - 7

• -8x - 7

• -4x - 15

• -8x - 15

(7x + 2) - (3x + 1)

• 2x + 5

• 15x + 7

• 9x + 10

• 4x + 1

What are like terms?

• Terms with different variables

• Terms with the same variables

• Terms with no variables

Are -c and 4c like terms?

• Yes

• No

(7a + 4) - (9a + 2)

• -2a + 6

• 2a + 6

• -2a + 2

• 2a + 2

(2x + 6) – (7x + 3).

• -5x + 3

• -5x + 9

• 9x + 9

• 5x + 3

Choose the expression that contains only like terms.

• 15k + 2k - 4k + 2

• 16h - 7h + 3g - 9h

• 5r - 3r + 6r - r

• 4 + 5f - 7f + 1

Combine the like terms:

7v + 2 + 12 + 2v

• 23

• 23v

• 9 + 14v

• 9v + 14

Find the difference: 
2(x - 2) - 3(x - 4)

• -x - 8

• x + 8

• 5x + 8

• -x + 8

(2x + 5) − (x + 4).

• x + 1

• 3x + 9

• −x + 1

• x + 9