Select all the equations where X = 3 is a solution.

1. X - 3 = 0

2. 1 + X = 2

3. 9 - X = 3

4. 6 = 2x

5. 1/5x = 3

6. X[tex]x^{2}[/tex] = 9

PLEASE HELP AS SOON AS POSSIBLE!!