Did you have an attorney when you signed the Agreement? If you have a ground upon which to try to contest the agreement, it will involve motion practice and can get very complicated. Unfortunately, this will be a lengthy and expensive process.
I am not sure I understand your facts but do consult in person to find a lawyer and keep looking until you find the right one for you. You really cannot tell that online. Time spent in person is better then your time spent online. Best to you.
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