Hello, I am having a bit of trouble with two Algebra questions

Question

1. Solve x= 8x - over the domain [0, 2, 4, 6]

2. For what values of a is the equation /a/ =5 true?

Thanks in advance.

Answer 1

1. x can only equal 8x if x = 0
(no matter what the domain is)

2. 5 and -5