Add and Sub Linear Expressions

(2x - 4) + (-x + 9)

• x + 5

• 3x + 5

• 3x + 13

• x + 13

(-7x - 14) + (x - 6)

• -8x - 20

• -6x - 20

• 6x - 20

• 8x + 20

(12x + 3) - (-7x + 5)

• 5x + 8

• 19x - 8

• 19x + 2

• 19x - 2

(3x - 1) - (-5x + 17)

• 8x + 18

• -2x + 16

• -2x -16

• 8x - 18

(-9x + 2) + (-8x - 2)

• -17x - 4

• 17x

• -17x

• 17x + 4

(1.3x +2.4) - (6.1x - 3.2)

• -7.4x + 5.6

• 4.8x + 5.6

• -4.8x + 5.6

• 7.4x + 5.6

(3x - 4) - (7x - 2)

• -4x - 2

• -4x + 2

• 4x - 6

(-11a + 7) – (11a – 7)

• -22a - 14

• 0

• -22a + 14

• -22a 

Find the difference: 
(x - 3) - 2(0.5x - 2) 

• -1

• 2x - 1 

• 2x + 1

• 1

4 more than twice a number

• 2x + 4

• 2 + x + 4

• 2x - 4

• 2/x + 4