Respuesta :
Answer:
B. b = -13
Step-by-step explanation:
b - 7 = -20
move variables and numbers to different sides of the equal sign by adding 7 to both sides
b - 7 + 7 = -20 + 7
b = -13
Answer:
B. b = -13
Step-by-step explanation:
b - 7 = -20
move variables and numbers to different sides of the equal sign by adding 7 to both sides
b - 7 + 7 = -20 + 7
b = -13