Respuesta :

-12+3b-1=-5-b
Combine like terms to get:
3b-13=-5-b
Add 13 to both sides:
3b= 8-b
Add b to both sides:
4b=8
Divide both sides by 4:
4b/4=8/4
b=2

Final answer
b=2
berenicechagollan13

Answer:

b=2

Step-by-step explanation:

-12 + 3b -1 = -5 - b

-13 + 3b = -5 - b

+13         = +13

_____________

3b = 8 - b

+b =     +b

_________

4b = 8

/4  =  /4  <---divide 8 by 4

_______________

b = 2

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