Adding and Subtracting Expressions

-7 - 2

• -9

• 9

• 5

• -5

-2 - (-10) = ?

• -12

• 12

• 8

• -8

-7 - (-7)

• 14

• 0

• -14

• 1

Which of the following expressions has the greatest value?

• -7+(-3)

• 11-(-5)

• -9+5

• 12-6

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

• x + 1

• 3x + 9

• −x + 1

• x + 9

• A
• B
• C
• D

Find the Sum: 
(5 - t) + (3t +2)

• 2t + 7

• 2t + 3

• -2t + 3

• -2t + 7

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

• 3k + 6 

• 11k + 6

• -11k + 6

• - 3k + 6

(9v-8w)-(8v-9w)

• v+w

• v-w

• 17v+w

• 17v-17w

(4y - 8) - (3y - 9)

• 7y - 17

• y + 1

• y - 17

• 7y + 17