Respuesta :
Answer:
Step-by-step explanation
3x+9=?
subtract 9 from both sides
3x=-9
divide by 3
x=-3
Now plug it in to find your soultion that is not correct
3(-3)+9=
-9+9=
0
Answer:
Step-by-step explanation
3x+9=?
subtract 9 from both sides
3x=-9
divide by 3
x=-3
Now plug it in to find your soultion that is not correct
3(-3)+9=
-9+9=
0