Determine the solution set of −3x+7=10 or 3x−9=0.(1 point)

Responses

{−1,3}
left brace negative 1 comma 3 right brace

The solution set is null.
The solution set is null.

{3}
left brace 3 right brace

{−1}
left brace negative 1 right brace

{3}