Adding with Variables

Find n.

3 + n=6

• 3

• 2

• 1

• 7

Find n.

3n + 4n=12

• 8

• 2

• 5

• 1

Find n.

2n +5n +2=16

• 5

• 2

• 3

• 1

2n +2n +1+2=15

• 5

• 4

• 3

• 2

Find the Sum: 
(5 - t) + (3t +2)

• 2t + 7

• 2t + 3

• -2t + 3

• -2t + 7

Add these expressions
(3x+15) + (4x+13)

• 7x+ 28

• 35x

• x+2

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

(2x - 6) + (4x - 4)

• 6x + 10

• 6x - 10

• 6x + 2

(-11a + 7) – (11a – 7)

• -22a - 14

• 0

• -22a + 14

• -22a