Adding and Subtracting Like Terms

m + m + m + m + m = ?

• m⁵

• 5m

• 4m

• m⁴

3r + 5r = ?

• 2r

• 7r

• 8r

• -2r

3x + 4x + 3 + 6 = ?

• 7x + 9

• 16x

• 6x + 10

• 7x + 10

7y + 5z +3y + 2z = ?

• 10y + 7z

• 7y + 10z

• 12y + 5z

• 19yz

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

• x + 1

• 3x + 9

• −x + 1

• x + 9

(-11a + 7) – (11a – 7)

• -22a - 14

• 0

• -22a + 14

• -22a

Simplify:
5x - 6x - 8x + 7 

• -9x + 7

• -9x -  7

• 9x + 7 

• 9x - 7

(6x + 3y + 4) – (8x + 9y)

• -2x - 6y

• -2x - 6y + 4

• 2x + 6y + 4

• 14x + 12y + 4

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

• x + 1

• 3x + 9

• −x + 1

• x + 9

Find the Sum: 
(5 - t) + (3t +2)

• 2t + 7

• 2t + 3

• -2t + 3

• -2t + 7