What is not one of the steps to naturalization for prospective citizens born outside the united states

At least one of the child's parents is a U.S. citizen by birth or naturalization; The child is under 18 years of age; The child is residing in or has resided in the United States in the legal and physical custody of the U.S. citizen parent pursuant to a lawful admission for permanent residence

5x-3=2y
5x/2-3/2=2y/2
2.5x-1.5=y
2.5 is the slope