Respuesta :

DontAllowMe70

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

b  =  − 0.5

Step-by-step explanation:

I hope this helps!

audrey123488
Answer:
= -0.5

Step-by-step explanation:

1. Rearrange terms

12 - = 12.5 —> - + 12 = 12.5

2. Subtract 12 from both sides of the equation

- + 12 = 12.5
- + 12 -12 = 12.5 -12
^ ^
Sub Sub

- = -0.5


3. Simplify ( divide both sides by -1)

- 0.5
___ = ____
-1 -1

= -0.5