Multistep Equations

Q. Which of the following is/are multi step equations?

1. $x-3=0$
2. $6x-18=0$
3. $x+3=\frac{x}{2}-1$
4. $5x+7=x-1$

Q. $10+10x=5x+5$
Is the solution of the above equation 3?

1. yes
2. no
3. cannot be determined

Q.

Solve the equation below:
$4x-3=2x+3$

1. $x=1$
2. $x=3$
3. $x=2$
4. $x=5$

Q. How many steps are required to solve the equaltion below:
$x-8=2x+9$