Answer:
f= -2
Step-by-step explanation:
idk if this was what you wanted tho
Hey there,
The answer is true
Hope it helped!
Okay, here we have this:
Considering the provided information, we are going to identify wich equation applies, so we obtain the following:

Where x represents the uknown number. Then finally we obtain that the correct equation is the third one.
Now, let's find the missing number solving the equation:

Finally we obtain that the number is equal to 19.
Answer:
what we have to find , please complete the question