r + 20 = 27

• r = 7
• r = 47
• r = 13
• r = 20

s - 22 = 50

• s = 28
• s = 20
• s = 72
• s = 75

g - 15 = 30

• g = 35

• g = 45

• g = 15

• g = 12

y - 33 = 147

• y = 114
• y = 177
• y = 180
• Answer not Given

What is the inverse operation of subtraction?

• addition

• subtraction

• multiplication

• division

b – 4 = 9

• b=5

• b=13

• b=10

• b=-5

8 = c – 4

• c=4

• c=12

• c=10

• c=-12

11 = t – 7

• t=18

• t=4

• t=-18

• t=-4

d – 10 = 8

• d=2

• d=-2

• d=18

• d=-18

2 = z – 14

• z=16

• z=12

• z=-2

• z=-16