To understand this problem, it is important to first identify the key information provided in the question. The key information in this problem is that there were 13 fans at the basketball game and that the home team had five more fans than the visiting team.
Based on this information, we can determine that the number of fans for the home team can be represented by the expression "
" or 8 fans. Since the visiting team had three fewer fans than the home team, we can represent the number of fans for the visiting team by the expression "
" or 4 fans.
Therefore, the visiting team had 4 fans at the basketball game. To solve the problem, we need to find the value of this expression: "
" or 4 fans.