Answer:
x is in the element of all real numbers.
Step-by-step explanation:
Simplify the equation.
[tex]y=x+6-7[/tex]
[tex]y=x-1[/tex]
This means that the equation [tex]y=x[/tex] has just been moved down one.
Since the equation can be any number on the x axis, the domain is all real numbers.
