It would actually be -14 because 5+4-2=7 and if you multiply 7 by -2 you get -14
Answer:

Step-by-step explanation:
Given : The formula 
We have to rearrange the given formula for 
Consider the given formula 
Multiply both side by 2, we have,

Divide both side by
, we have,

Simplify, we get,

Thus,
Answer:
The answer is 6!!!
Step-by-step explanation:
1, 3, and 5 would be my best guesses but I’m not 100 percent sure
How is it possible to know how much he started with? Or is it not asking for an exact amount?