One step equations

Solve the equation: 
x + 7 = 12

• x = 5
• x = 19
• x = -5
• x = 84

Solve the equation:
x - 4 = -3

• x = -7
• x = 1
• x = 12
• x = -12

Solve the equation:
x - 3 = -12

• x = 9 
• x = -15
• x = -9
• x = 15

Solve the equation:
4p = 16

• p = 12
• p = -12
• p = -4
• p = 4

Solve the equation:
-5x = 25

• x = 20
• x = -20
• x = -5
• x = 5

r + 20 = 27

• r = 7
• r = 47
• r = 13
• r = 20

Solve the equation:

2p = 16

• p = 32

• p = 12

• p = 18

• p = 8

-6x = 30

• x = - 5

• x = 24

• x = 5

• x = 36

-3x = -9

• 3

• -3

• 9

• -1

4x = 8

• 12

• 2

• 4

• 3