Express the set using the roster method {x |x + 6 = 8}

Question

how do I express this set using the roster method?

Answer 1

The roster method is simply listing all the elements that satisfy the condition(s).  In this case,

 

{2}

Answer 2

In roster format, elements of the set are listed within the pair of brackets { } and are separated by commas such as {1, 2, 3, 4, 5}

 

In your case:

 

x+6 = 8

x = 2

 

There is only one member, x=2, in this set.  In roster format it's {2}