The solution would be like this for this specific problem:
Since the number of charter schools is eight less than twice the number of alternative schools, then it’s:
2x - 8
and then
2x - 8 = 36
2x = 44
x = 22
So there are 22 Alternative Schools in the county. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.