one step equations

Solve the equation: 
x + 7 = 12

• x = 5
• x = 19
• x = -5
• x = 84

Solve the equation:
x - 4 = 6

• x = 10
• x = -10
• x = 2
• x = -2

r + 20 = 27

• r = 7
• r = 47
• r = 13
• r = 20

S + 4 = 24

• S = 28

• S = 6

• S = 18

• S = 20

Solve the equation:

2p = 16

• p = 32

• p = 12

• p = 18

• p = 8

 $\frac{x}{5}=20$  

• 100

• 120

• 4

• 5

x - 12 = 2

• 24

• 10

• 20

• 14

c - 5 = 8

• 3

• 13

• 5

• 8

Find the value of a:  $12\ =\ \frac{a}{4}$  

• 48

• 3

• 8

Find the value of the variable:  $\frac{1}{2}x\ =\ 10$  

• 5

• 20

• 4