Respuesta :

Answer:b= -0.5

Step-by-step explanation:

>-3b+2.5=4

>-3b=1.5(subtract 2.5 from both sides)

>b=-0.5 (divide both sides by -3)

meelf

Answer:

b=-0.5

Step-by-step explanation:

1) -3b+2.5=4

2)-3b=4-2.5

3)-3b=1.5

4)b=1.5/-3

5)b=-0.5