Respuesta :
Answer:
x could be anything. you have to have a equation to solve for x.
Step-by-step explanation:
if it’s equal to 0:
3x-9=0
add 9 to both sides so:
3x=9
and divide by 3 so:
x=3
3x-9=0
add 9 to both sides so:
3x=9
and divide by 3 so:
x=3