Answer: n=10
Explanation:
0.8n = 8 First step is to divide each step by 0.8 to isolate the variable
8/0.8 Next you divide 8 by 0.8 to get your answer
The answer would be 10.
To extra check your answer you can do the reverse and multiply.
0.8x10=8
So now you know for sure the answer is 10 ;-)