Solving One-Step Equations (+/-)

What is the inverse operation of subtraction?

• multiplication

• division

• addition

• subtraction

What is the inverse operation of addition?

• addition

• subtraction

• multiplication

• division

Simplify the following:

4b x 5

• 4b x 5

• 20b

• 9b

• 20

Is y = 44 a solution to the following equation?

y + 75 = 139

• YES

• NO

Solve for r:

r - 14 = 23

• r = 37

• r = 14

• r = 9

• r = 23

Solve for n:

30 = 19 + n

• n = 19

• n = 30

• n = 11

• n = 49

Solve for t:

t + 25 = 26

• t = 51

• t = 1

• t = 25

• t = 26

Solve for y:

2 + y = 11

• y = 11

• y = 22

• y = 9

• y = 13

Solve for x:

x - 21 = 0

• x = 21

• x = 0

• x = -21

• x = 1