Question

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
`x^(2)` = 9

PLEASE HELP AS SOON AS POSSIBLE!!

Answer 1

1. X-3=0 Because 3-3=0

4. 6=2x AS 2(3)=6

I'm Not sure about Equation 6