Excellent question. That's why it is so important to get to know the Bible yourself. In order to discern truth from error, you must have a firm grasp on what the Bible really teaches.
Here is a link to information on the website which will be of use to you (please click on the title):
One Bible, Many Churches - Does it Matter What We Believe?
I hope you have found this helpful.
May God bless you,
Mike