Setting Up One Step Equations Using Addition or Subtraction

m - 5 = -10

• -15

• 15

• -5

• 5

x - 15 = -20

• -5

• 5

• -35

• 35

w + 14 = 10

• -24

• 24

• -4

• 4

r + 18 = -27

• -45

• 45

• -9

• 9

25 + k = 13

• -12

• 12

• -38

• 38

Solve the equation:
20.5 = x + 4

• 16.5

• 16.05

• 24.5

• 24.05

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side. 

• Subtract 62 from each side.

• Multiply each side by 62.

• Add 123 to each side.

What is the inverse operation needed to solve for p?

• subtraction

• addition

• multiplication

• division

r + 20 = 27

• r = 7

• r = 47

• r = 13

• r = 20

s - 22 = 50

• s = 28

• s = 20

• s = 72

• s = 75