I've got a question about multiple vars in one if-statement.

I'm trying to use multiple vars in an if-statement but i got a few error because I don't really know how to use it.

I would lite to check if 4 vars are the same as other 4 vars, but I don't want to use 9 if-statement because I need to check it every second in my program

sample:

Code:
if (var1, var2, var3, var4 < var5, var6, var7,
...