Respuesta :

Answer:

b = -17

Step-by-step explanation:

-2b - 12 = 22

     +12     +12

-2b = 34

-2b/-2    34/-2

b = -17

Answer:

-17

Step-by-step explanation:

-2B-12=22

-2B-2 (+12)=22+12 (add 12 to both sides to isolate the variable

-2B=24

-2B/-2=24/-2 (divide by -2 to isolate the variable)

B=-17