1-2 two step equations

Solve:

2x - 4 = 6

• x=5

• x=3

• x=-5

• x=2

Solve:

- 12 = 5r + 8

• r=-4

• r=4

• r=3

• r=6

Solve:

-6p - 3 = 9 

• p=-2

• p=2

• p=6

• p=3

Solve:

-15 = 2r + 1

• r=-8

• r=8

• r=4

• r=7

Solve:

22 = 4 + 6e

• e=3

• e=2

• e=1

• e=7

Solve:

5z - 17 = 13

• z=6

• z=2

• z=4

• z=5

Solve:

24 - a = -15

• a=39

• IDK

• a=-39

• none of these are solutions