Respuesta :

Answer:

Step-by-step explanation:

Subtract 2.25 from both sides

27. b+2.25=1

Move +2.25 to the other side. Sign changes from +2.25 to -2.25

b+2.25-2.25=1-2.25

b=-1.25 ( negative sign because 2.25 is greater than 1)

Answer: b=-1.25