Respuesta :
9=2+x
You subtract 2 from both sides:
9-2=2+x-2
Then you'll get 7=x because 9-7=7 and when you -2 from the other side, it gets canceled out.
Hope this helps :)
You subtract 2 from both sides:
9-2=2+x-2
Then you'll get 7=x because 9-7=7 and when you -2 from the other side, it gets canceled out.
Hope this helps :)