Fast will give explain the process of passing a bill in the state legislatures.

A bill needs 68 votes to pass the House and 34 votes to pass the Senate. If the House and Senate each pass the same version of the bill, it goes to the governor for a signature.

First a bill Must pass both houses of Congress by a majority vote. After that is done it will be sent to the president and if the president signs the bill. It becomes a law. Hoped that answers your question

Apresident can veto /reject a bill