If you are given that b = 2, then just plug it in:

So, your final answer is
0.
Answer:subtraction property
Step-by-step explanation:
Two a negative and a negative makes a positive so it would be x+6=18 so u do the opposite on both sides so it would be subtraction
21/186
Answer: 7/62
Hope this helps!!!!!!!
Yes they do form a proportion since they both simplify to 6/11