Yes, it's legal and enforceable. Your signature is on the contract that you sign, not on some mythical un-marked-up copy.
In fact, this is often a good negotiating tactic: someone hands you a contract, and they just want to get it signed.
You strike out the price and write in a new price (or whatever), initial it, sign it, and hand it back.
The psychic weight is now on them - they have a SIGNED CONTRACT and all they need to do is to sign it themselves.
Taking the conceptual step backwards from a contract (albeit only signed by one party) to a contract signed by NEITHER party is a bit hard to do.
Yes, it's legal and enforceable. Your signature is on the contract that you sign, not on some mythical un-marked-up copy.
In fact, this is often a good negotiating tactic: someone hands you a contract, and they just want to get it signed. You strike out the price and write in a new price (or whatever), initial it, sign it, and hand it back.
The psychic weight is now on them - they have a SIGNED CONTRACT and all they need to do is to sign it themselves.
Taking the conceptual step backwards from a contract (albeit only signed by one party) to a contract signed by NEITHER party is a bit hard to do.