Respuesta :

Here is your answer:


-55.04 + b + 39.68 = -71.03

Add 55.04 on both sides:

-71.03 + 55.04=-15.99

b + 39.68 = -15.99

Subtract 39.68 on both sides:

-15.99-39.68=-55.67

b=-55.67


Hope this helps!