Two Step Equations

Q. Is $5x=10$ a two step equation?

1. yes
2. no
3. cannot be determined

Q. How the equation $3x-4=5$ looks like after removing the constant on the left side of the equation?

1. $3x=1$
2. $3x=9$
3. $3x=4$
4. $3x=54$

Q. Two step equation is an equation

1. that has 2 variables
2. that involves two sets of equations
3. in which the solution of the equation is 2
4. that can be solved using two mathematical operations