One Step Equations Adding and Subtracting

decreased by is what operation?

• addition

• subtraction

• multiplication

• division

what equation matches the situation?
Rob had some video games then he bought 4 more. Now he has a total of 10 games.

• v-4=10

• 10-4=v

• v+4=10

• 4v=10

19  + a  =  -50

• a = -950

• a =  -69

• a = -31

• a = -50/19

What is the inverse of adding?

• Dividing

• Multiplying

• Adding

• Subtracting

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 = 3(5)

• g = 15(3) 

• g = 15

• g = 7(5)

S + 18 = 24

• S = 42

• S = 3²

• S = 18

• S = 4 + 2 

Solve the equation:
20.5 = x + 4

• 16.5

• 16.05

• 24.5

• 24.05

y - 4.6 = 12

• 16.6

• 5.8

• 7.4

• Answer not Given