Answer:
n=4
Step-by-step explanation:
To solve combine your like terms.
You can start by adding 0.8 to both sides and subtracting 0.7n from both sides.

Next, divide both sides by 0.7 to isolate for n.

10 4/5 simplified
10 8\10 regular
Y=1/4x+5/2 is your equation of the line.
Answer: 
Step-by-step explanation:
Given: 

and g(x) is linear.
A linear function is of the form : 
Let 
Then, 

Comparing it with the original (fog)(x), we get

Comparing coefficient of x and constants separately

So, 