First, let's only the expression with x stay on the let side: let's add 9 to both sides of the equation.

which is

now, let's multiply everything by 2:


so the answer is -32!
Answer:
0
Step-by-step explanation:
1/2 * 2 is 1. 1 - 1 is 0
Have a great day/night!
I believe the answer is b