Answer:
b= -2
Step-by-step explanation:
First, you distribute.
-2(b-4) = 12
-2b + 8 = 12
Then, you combine like terms.
There are no like terms.
So, Next, you subtract 8 from each side.
-2b + 8 = 12
-2b - 8 = 12 - 8
-2b = 4
Finally, you divide each side by -2
-2b / -2
4 / -2
Answer: b = -2
